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13,14-didehydroprostaglandin E213,14-didehydroprostaglandin E2
5',6'-didehydro-6'-deoxy-6'-fluorohomoadenosine5',6'-didehydro-6'-deoxy-6'-fluorohomoadenosine
4,5-didehydroisocarbacyclin4,5-didehydroisocarbacyclin98676-80-3
5',6'-didehydro-6'-deoxy-6'-chlorohomoadenosine5',6'-didehydro-6'-deoxy-6'-chlorohomoadenosine
2',3'-didehydro-2',3'-dideoxy-5-chlorocytidine2',3'-didehydro-2',3'-dideoxy-5-chlorocytidine124743-30-2
4-(9,10-didehydroergolin-8-yl)methylpiperazine-2,6-dione4-(9,10-didehydroergolin-8-yl)methylpiperazine-2,6-dione131816-89-2
13,14-didehydro-20-methylcarboprostacyclin13,14-didehydro-20-methylcarboprostacyclin78542-68-4
16,17-didehydrostemofoline16,17-didehydrostemofoline
5',6'-didehydro-6'-deoxy-6'-iodohomoadenosine5',6'-didehydro-6'-deoxy-6'-iodohomoadenosine
1,2-didehydropipecolate reductase1,2-didehydropipecolate reductase
9,10-Didehydro-N,N-diethyl-12-hydroxy-6-methylergoline-8β-carboxamide9,10-Didehydro-N,N-diethyl-12-hydroxy-6-methylergoline-8β-carboxamide60573-89-9
6,7-Didehydro-4,5α-epoxy-8α-methoxy-17-methylmorphinan-3-ol6,7-Didehydro-4,5α-epoxy-8α-methoxy-17-methylmorphinan-3-ol63813-36-5
1-[(9,10-Didehydro-1,6-dimethylergolin-8β-yl)carbonyl]pyrrolidine1-[(9,10-Didehydro-1,6-dimethylergolin-8β-yl)carbonyl]pyrrolidine7221-79-6
7,8-Didehydro-6β-(acetylthio)-4,5α-epoxy-17-methylmorphinan-3,14-diol7,8-Didehydro-6β-(acetylthio)-4,5α-epoxy-17-methylmorphinan-3,14-diol
31,32-Didehydro-132-(methoxycarbonyl)phytochlorin methyl ester31,32-Didehydro-132-(methoxycarbonyl)phytochlorin methyl ester
7,8-Didehydro-4,5α-epoxy-17-methyl-3,6α-bis[(trimethylsilyl)oxy]morphinan7,8-Didehydro-4,5α-epoxy-17-methyl-3,6α-bis[(trimethylsilyl)oxy]morphinan55449-66-6
15,16-Didehydro-15,16-dideoxy-17-norpodolactone B15,16-Didehydro-15,16-dideoxy-17-norpodolactone B31323-76-9
9,10-Didehydro-N,N,6-trimethylergoline-8β-carboxamide9,10-Didehydro-N,N,6-trimethylergoline-8β-carboxamide4238-84-0
(3β,20α)-1,2-Didehydro-2,7-dihydro-11,17α-dimethoxy-7β-hydroperoxy-18β-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16β-carboxylic acid methyl ester(3β,20α)-1,2-Didehydro-2,7-dihydro-11,17α-dimethoxy-7β-hydroperoxy-18β-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16β-carboxylic acid methyl ester
6,7-Didehydro-15,16-dimethoxy-22α-methylobscurinervan-21-one6,7-Didehydro-15,16-dimethoxy-22α-methylobscurinervan-21-one7168-67-4
2',3'-Didehydro-2',3'-dideoxy-5-methylcytidine 5'-triphosphoric acid2',3'-Didehydro-2',3'-dideoxy-5-methylcytidine 5'-triphosphoric acid
4',5'-Didehydro-2'-methylene-2',5'-dideoxyadenosine4',5'-Didehydro-2'-methylene-2',5'-dideoxyadenosine
16,17-Didehydro-16-(methoxycarbonyl)-4,19α-dimethyl-18-oxayohimban-4-ium16,17-Didehydro-16-(methoxycarbonyl)-4,19α-dimethyl-18-oxayohimban-4-ium6801-41-8
1,2-Didehydro-17-methoxyaspidospermidine1,2-Didehydro-17-methoxyaspidospermidine2912-26-7
18,19-Didehydroyohimban-17-one18,19-Didehydroyohimban-17-one54725-64-3
7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol 6-formate7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol 6-formate63127-74-2
2,3-Didehydro-7-ethyl-7α-hydroxy-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester2,3-Didehydro-7-ethyl-7α-hydroxy-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester53507-78-1
5,18-Didehydro-5,6-dihydro-β,φ-carotene5,18-Didehydro-5,6-dihydro-β,φ-carotene63975-46-2
1,2-Didehydro-3-O,4-O,6-O-tribenzyl-β-D-galactopyranose1,2-Didehydro-3-O,4-O,6-O-tribenzyl-β-D-galactopyranose
6,7-Didehydro-5',6'-oxy-5,5',6,6'-tetrahydro-3,3',5,19'-tetrahydroxy-β,β-carotene6,7-Didehydro-5',6'-oxy-5,5',6,6'-tetrahydro-3,3',5,19'-tetrahydroxy-β,β-carotene29789-80-8
2,16-Didehydrocuran-17-al2,16-Didehydrocuran-17-al6872-34-0
18,19-Didehydrocorynan-17-al18,19-Didehydrocorynan-17-al
1,6-Didehydro-3β-methoxy-15,16-[methylenebis(oxy)]-11a-homoerythrinan-2β-ol1,6-Didehydro-3β-methoxy-15,16-[methylenebis(oxy)]-11a-homoerythrinan-2β-ol24204-38-4
1,2-Didehydroaspidospermidin-20-one1,2-Didehydroaspidospermidin-20-one56053-19-1
7,8-Didehydro-4,5α-epoxy-3-methoxy-6α-acetyl-17-(2-carboxyethyl)morphinan7,8-Didehydro-4,5α-epoxy-3-methoxy-6α-acetyl-17-(2-carboxyethyl)morphinan
(16α,17α)-19,20-Didehydro-17-hydroxyyohimban-16-carboxylic acid methyl ester(16α,17α)-19,20-Didehydro-17-hydroxyyohimban-16-carboxylic acid methyl ester54725-26-7
(15β)-20,21-Didehydro-16β-(hydroxymethyl)-18,19-secoyohimban-19-oic acid methyl ester(15β)-20,21-Didehydro-16β-(hydroxymethyl)-18,19-secoyohimban-19-oic acid methyl ester5552-25-0
1,6-Didehydro-12,17-dihydro-12β-hydroxy-3β-methoxy-11a-homo-16(15H)-oxaerythrinan-15-one1,6-Didehydro-12,17-dihydro-12β-hydroxy-3β-methoxy-11a-homo-16(15H)-oxaerythrinan-15-one76177-26-9
4,5-Didehydroacenaphthene4,5-Didehydroacenaphthene
14,15-Didehydrophragmalin 2,30-diacetate 3-(2,3-dimethyloxiranecarboxylate)14,15-Didehydrophragmalin 2,30-diacetate 3-(2,3-dimethyloxiranecarboxylate)96386-36-6
(3β,15β,20α)-16,17-Didehydro-1-methyl-17a-homo-18-oxayohimban-17a-one(3β,15β,20α)-16,17-Didehydro-1-methyl-17a-homo-18-oxayohimban-17a-one35214-92-7
(14α)-6,7-Didehydro-3-methoxy-17-methylmorphinan(14α)-6,7-Didehydro-3-methoxy-17-methylmorphinan55028-44-9
(+)-9,10-Didehydro-2-(125I)iodo-6-methyl-1,N,N-triethylergoline-8β-carboxamide(+)-9,10-Didehydro-2-(125I)iodo-6-methyl-1,N,N-triethylergoline-8β-carboxamide
(5α,13β,19α)-1,2-Didehydro-3α-methoxycrinan-11-one(5α,13β,19α)-1,2-Didehydro-3α-methoxycrinan-11-one1797-92-8
6,7-Didehydro-21-methoxycarbonyl-8-oxoaspidofractinine 9-oxide6,7-Didehydro-21-methoxycarbonyl-8-oxoaspidofractinine 9-oxide
16,17-Didehydro-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester16,17-Didehydro-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester25532-45-0
1,6-Didehydrosparteinium1,6-Didehydrosparteinium6882-70-8
7,8-Didehydro-3β-hydroxy-5α-lanostan-30-al7,8-Didehydro-3β-hydroxy-5α-lanostan-30-al
17,18-Didehydro-23-[(E)-1,5-dimethyl-4-hexenylidene]-12,16-cyclo-1,12-secodaphnane17,18-Didehydro-23-[(E)-1,5-dimethyl-4-hexenylidene]-12,16-cyclo-1,12-secodaphnane
5,6-Didehydro-3-methoxy-6,17-dimethylmorphinan5,6-Didehydro-3-methoxy-6,17-dimethylmorphinan3964-06-5
(13β,14β)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylhasubanan-9α-ol(13β,14β)-7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylhasubanan-9α-ol24695-69-0
2,16-Didehydro-16-(methoxycarbonyl)condyfolan 4-oxide2,16-Didehydro-16-(methoxycarbonyl)condyfolan 4-oxide40169-69-5
7,8-Didehydro-4,5α-epoxy-6α-hydroxy-17-(2-propenyl)morphinan-3-yl β-D-glucopyranosiduronic acid7,8-Didehydro-4,5α-epoxy-6α-hydroxy-17-(2-propenyl)morphinan-3-yl β-D-glucopyranosiduronic acid24459-59-4
3,12-Didehydro-9,10-dimethoxygalanthan-1α-ol3,12-Didehydro-9,10-dimethoxygalanthan-1α-ol548-11-8
4,12-Didehydro-2β,9,10-trimethoxygalanthan-1α,3α-diol4,12-Didehydro-2β,9,10-trimethoxygalanthan-1α,3α-diol27857-07-4
18,19-Didehydro-10-methoxycorynan-17-ol18,19-Didehydro-10-methoxycorynan-17-ol56053-12-4
4',5'-Didehydro-3'-methylene-3',5'-dideoxyadenosine4',5'-Didehydro-3'-methylene-3',5'-dideoxyadenosine
12,13-didehydro-F43012,13-didehydro-F43098971-74-5
15,15'-didehydroastaxanthin15,15'-didehydroastaxanthin58720-65-3
7,8-Didehydro-4,5α-epoxy-6β-ethoxy-17-methylmorphinan-3-ol7,8-Didehydro-4,5α-epoxy-6β-ethoxy-17-methylmorphinan-3-ol63732-57-0
(5α,13β,19α)-1,2-Didehydro-3β-methoxycrinan-11-one(5α,13β,19α)-1,2-Didehydro-3β-methoxycrinan-11-one1472-75-9
2',3'-Didehydro-2',3'-dideoxyguanosine2',3'-Didehydro-2',3'-dideoxyguanosine53766-80-6
1,6-Didehydro-3α-methoxy-15,16-[methylenebis(oxy)]-11a-homoerythrinan-2β-ol1,6-Didehydro-3α-methoxy-15,16-[methylenebis(oxy)]-11a-homoerythrinan-2β-ol21030-71-7
4,5-Didehydro-6-hydroxy-3-oxocholanic acid4,5-Didehydro-6-hydroxy-3-oxocholanic acid
(14ξ)-5,6-Didehydro-4-hydroxy-3,6-dimethoxy-17-methylmorphinan-7-one(14ξ)-5,6-Didehydro-4-hydroxy-3,6-dimethoxy-17-methylmorphinan-7-one15444-27-6
(9α,13α)-5,6-Didehydro-2-hydroxy-3,6-dimethoxy-17-methylmorphinan-7-one(9α,13α)-5,6-Didehydro-2-hydroxy-3,6-dimethoxy-17-methylmorphinan-7-one77485-11-1
(+)-2,3-Didehydro-20-oxoaspidospermidine-3-carboxylic acid methyl ester(+)-2,3-Didehydro-20-oxoaspidospermidine-3-carboxylic acid methyl ester15622-69-2
(5α,25α)-8,9-Didehydrocevane-3α,6α-diol(5α,25α)-8,9-Didehydrocevane-3α,6α-diol36506-64-6
7,8-Didehydro-3-methoxy-17-methylmorphinan-6α-ol7,8-Didehydro-3-methoxy-17-methylmorphinan-6α-ol3205-45-6
(3β)-16,17-Didehydro-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester(3β)-16,17-Didehydro-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester
6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one6872-64-6
16,17-Didehydro-15β-hydroxy-21-(2-hydroxyethyl)-4-methylatidan-7-one16,17-Didehydro-15β-hydroxy-21-(2-hydroxyethyl)-4-methylatidan-7-one467-91-4
6,7-Didehydro-4,5α-epoxy-3,8β-dimethoxy-17-methylmorphinan6,7-Didehydro-4,5α-epoxy-3,8β-dimethoxy-17-methylmorphinan4912-71-4
3,12-Didehydro-11-methoxy-9,10-[methylenebis(oxy)]galanthan-1α-ol3,12-Didehydro-11-methoxy-9,10-[methylenebis(oxy)]galanthan-1α-ol568-23-0
9,10-Didehydro-N-ethyl-6-methylergoline-8β-carboxamide9,10-Didehydro-N-ethyl-6-methylergoline-8β-carboxamide478-99-9
7,8-Didehydro-4,5α-epoxy-3,6α-bis[(trimethylsilyl)oxy]morphinan7,8-Didehydro-4,5α-epoxy-3,6α-bis[(trimethylsilyl)oxy]morphinan55319-88-5
1,6-Didehydro-15-hydroxy-3β-methoxy-9-methylerythrinan-9-ium1,6-Didehydro-15-hydroxy-3β-methoxy-9-methylerythrinan-9-ium75667-86-6
9,10-Didehydro-α-cyano-6-methylergoline-8-propionamide9,10-Didehydro-α-cyano-6-methylergoline-8-propionamide
2,16-Didehydrocuran-17-oic acid methyl ester2,16-Didehydrocuran-17-oic acid methyl ester
1,2-Didehydro-1,2-dideoxy-3-O-benzyl-4-O,6-O-benzylidene-β-D-glucopyranose1,2-Didehydro-1,2-dideoxy-3-O-benzyl-4-O,6-O-benzylidene-β-D-glucopyranose
7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-ol dihydrogen phosphate7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-ol dihydrogen phosphate
16,17-Didehydrorifamycin G16,17-Didehydrorifamycin G75922-16-6
5,6-Didehydro-5,6-dideoxy-2-O,3-O-isopropylidene-6-nitro-1-O-methyl-α-D-mannofuranose5,6-Didehydro-5,6-dideoxy-2-O,3-O-isopropylidene-6-nitro-1-O-methyl-α-D-mannofuranose
6,7-Didehydro-3-methoxy-6,17-dimethylmorphinan6,7-Didehydro-3-methoxy-6,17-dimethylmorphinan3894-27-7
4,5-Didehydro-5,6-dihydroretinoic acid4,5-Didehydro-5,6-dihydroretinoic acid52978-64-0
2',3'-Didehydro-3'-deoxythymidine 5'-acetate2',3'-Didehydro-3'-deoxythymidine 5'-acetate
9,10-Didehydro-9-deoxy-10,11-dihydro-11-hydroxyleucomycin V 3,4''-dipropionate9,10-Didehydro-9-deoxy-10,11-dihydro-11-hydroxyleucomycin V 3,4''-dipropionate85316-17-2
16,17-Didehydro-12α,14β,19-trihydroxykauran-15-one16,17-Didehydro-12α,14β,19-trihydroxykauran-15-one
1,2-Didehydro-3β,15-dimethoxyerythrinan1,2-Didehydro-3β,15-dimethoxyerythrinan60229-91-6
7,8-Didehydro-4,5α-epoxy-17-(2-propenyl)morphinan-3,6α-diol 6-sulfuric acid7,8-Didehydro-4,5α-epoxy-17-(2-propenyl)morphinan-3,6α-diol 6-sulfuric acid73853-10-8
1,6-Didehydro-15,16-dimethoxyerythrinan-2-one1,6-Didehydro-15,16-dimethoxyerythrinan-2-one
9,10-Didehydro-N,N-diethyl-12-methoxy-6-methylergoline-8β-carboxamide9,10-Didehydro-N,N-diethyl-12-methoxy-6-methylergoline-8β-carboxamide
6,7-Didehydro-4,5α-epoxy-3-methoxy-8β-phenoxymorphinan6,7-Didehydro-4,5α-epoxy-3-methoxy-8β-phenoxymorphinan63690-29-9
3,4-Didehydro-1,2,7',8',11',12'-hexahydro-1-methoxy-ψ,ψ-carotene3,4-Didehydro-1,2,7',8',11',12'-hexahydro-1-methoxy-ψ,ψ-carotene22076-59-1
2,3-Didehydro-7-ethyl-7α-hydroxy-4,8-cyclo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester2,3-Didehydro-7-ethyl-7α-hydroxy-4,8-cyclo-20,21-dinoraspidospermidine-3-carboxylic acid methyl ester55855-14-6
7,8-Didehydro-4,5α-epoxy-14-hydroxy-3-methoxy-17-propylmorphinan-6-one7,8-Didehydro-4,5α-epoxy-14-hydroxy-3-methoxy-17-propylmorphinan-6-one99307-36-5
14,15-Didehydrophragmalin 2-acetate 3-[(E)-2-methyl-2-butenoate]30-propanoate14,15-Didehydrophragmalin 2-acetate 3-[(E)-2-methyl-2-butenoate]30-propanoate72264-44-9
(20α)-16,17-Didehydro-11-methoxy-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester(20α)-16,17-Didehydro-11-methoxy-19β-methyl-18-oxayohimban-16-carboxylic acid methyl ester14883-83-1
5,6-Didehydro-3,6-dimethoxy-17-methylmorphinan5,6-Didehydro-3,6-dimethoxy-17-methylmorphinan1038-07-9
(5ξ,6ξ,7ξ,12ξ,19ξ)-2,3-Didehydro-6,7-epoxy-16-methoxyaspidospermidine-3-carboxylic acid methyl ester(5ξ,6ξ,7ξ,12ξ,19ξ)-2,3-Didehydro-6,7-epoxy-16-methoxyaspidospermidine-3-carboxylic acid methyl ester22223-16-1
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