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Beijing Keyi Tongda Technology Development Co., Ltd??? ?? ??? ?????.

?? ?:Beijing Keyi Tongda Technology Development Co., Ltd
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???:kytd20@sina.com
??:China
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4-Pyridinamine, 2,6-bis(1,1-dimethylethyl)-92106-91-7C13H22N2
2-Hydroxy-5-methyl-3-nitropyridine2-????-5-??-3-??????7464-14-4C6H6N2O3
1,2,4-Oxadiazol-5-amine,3-cyclopropyl-(9CI)1,2,4-?????-5-??,3-???????-(9CI)302842-68-8C5H7N3O
7-bromo-1-methyl-1H-imidazo[4,5-c]pyridine7-???-1-??-1H-????[4,5-c]???317840-04-3C7H6BrN3
5-IODOISATIN20780-76-1C8H4INO2
5-Aminonicotinic acid24242-19-1C6H6N2O2
Sulbactam sodium??? ???69388-84-7C8H12NNaO5S
BENZOYL ISOCYANATE4461-33-0C8H5NO2
2,3,3-trifluoroprop-2-en-1-amine hydrochloride119839-58-6C3H5ClF3N
2-Amino-4-bromobenzoic acid20776-50-5C7H6BrNO2
4-(N-NITROSOMETHYLAMINO)-1-(3-PYRIDYL)-1-BUTANONE4-(N-??????????)-1-(3-???)-1-???64091-91-4C10H13N3O2
4-Hydroxybenzyl chloride4-????????????35421-08-0C7H7ClO
5-METHYL-1-[3-(TRIFLUOROMETHYL)PHENYL]-1H-1,2,3-TRIAZOLE-4-CARBOXYLIC ACID499771-21-0C11H8F3N3O2
2,5,6-Trifluoronicotinic aicid nitrile2,5,6-????????????????870065-73-9C6HF3N2
2-BENZYL-5-ACETYL METHYL SALICYLATE2-BENZYL-5-ACETYLMETHYL??????27475-09-8C17H16O4
6-Boc-1,6-diazaspiro[3.4]...6-Boc-1,6-??????[3.4]…1158749-79-1C11H20N2O2
7-Chloro-2,3-dihydro-[1,4]dioxino-[2,3-b]pyridine-6-carboxylic acid877177-32-7C8H6ClNO4
2-(2,2,3,3-tetrafluorocyclobutyl)acetic acid885459-27-8C6H6F4O2
2-phenyl-2-sulfamoylacetic acid17550-98-0C8H9NO4S
CIS-DECAHYDRO-1-NAPHTHOLCIS-DECAHYDRO-1-???207127-50-2C10H18O
2-AMINO-8-METHOXY-1,2,3,4-TETRAHYDRO-NAPHTHALENE-2-CARBOXYLIC ACID2-???-8-???-1,2,3,4-??????-????-2-?????67544-71-2C12H15NO3
p-Aminobenzylchloridep-??????????65581-19-3C7H8ClN
2-Amino-4-bromo-5-nitropyridine2-???-4-???-5-??????84487-11-6C5H4BrN3O2
ANTHRACENE-2,6-DICARBOXYLIC ACID????-2,6-?????138308-89-1C16H10O4
4-((2S,4S)-4-ethoxy-1-((5-methoxy-7-methyl-1H-indol-4-yl)methyl)piperidin-2-yl)benzoicacid1644670-37-0C25H30N2O4
6-Chloro-3-fluoro-pyridine-2-carbonitrile1207609-52-6C6H2ClFN2
4-(Aminosulfonyl)phenylboronic acid613660-87-0C6H8BNO4S
2-CHLORO-5-METHYL-1,4-BENZOQUINONE2-???-5-??-1,4-????19832-87-2C7H5ClO2
METHYL ISOCYANIDE?????????593-75-9C2H3N
4-cyclopropyl-N-[(4-fluorophenyl)methyl]-5-(3-me thyl-1,2-oxazol-5-yl)pyrimidin-2-amine1381549-86-5C18H17FN4O
Benzoic acid, 4-[5-(3,5-dichloro-4-fluorophenyl)-4,5-dihydro-5-(trifluoromethyl)-3-isoxazolyl]-2-methyl-1332698-41-5C18H11Cl2F4NO3
Uridine, 3-benzoyl-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-86988-35-4C28H42N2O8Si2
CIS-1,3-DIMETHYLCYCLOPENTANE????????2532-58-3C7H14
1-(2-Chloro-5-methylpyridin-3-yl)ethanone1-(2-???-5-?????-3-?)???885223-64-3C8H8ClNO
7-Bromo-2-(chloromethyl)-1-methyl-1H-imidazo[4,5-c]pyridine1171920-75-4C8H7BrClN3
5-chloro-3-Methyl-2-nitropyridine5-???-3-??-2-??????1211532-85-2C6H5ClN2O2
Cyanomethyl methyl(4-pyridyl)carbamodithioate???????(4-???)?????????1158958-89-4C9H9N3S2
6-BROMOHEXANENITRILE6621-59-6C6H10BrN
4-(4-Methoxyphenyl)thieno[2,3-b:5,4-c']dipyridine-2-carboxamide942135-14-0C18H13N3O2S
5(6H)-Quinazolinone, 2-(cyclopropylamino)-7-(4-fluorophenyl)-7,8-dihydro-727373-14-0C17H16FN3O
2-CHLORO-5-ISOCYANATOPYRIDINE125117-96-6C6H3ClN2O
1H-1,2,4-Triazole,5-fluoro-(9CI)42297-29-0C2H2FN3
1,3-Thiazole-2-carbaldehyde10200-59-6C4H3NOS
3-BROMOPYRIDINE-D43-??????-D466148-14-9C5BrD4N
1,4-Benzodioxin-6-sulfonyl fluoride, 2,3-dihydro-1368844-00-1C8H7FO4S
Butanoic acid, 4,4'-[[(1,1-dimethylethoxy)carbonyl]imino]bis-1204700-92-4C13H23NO6
Pyridine, 4-chloro-2,6-bis(1,1-dimethylethyl)-93308-84-0C13H20ClN
(2S)-1-[[[4-METHYL-1-(2-PYRIMIDINYL)-4-PIPERIDINYL]AMINO]ACETYL]-2-PYRROLIDINECARBONITRILE440100-64-1C17H24N6O
3-Aminooxetane-3-carboxylic acid3-??????-3-?????138650-24-5C4H7NO3
5-broMo-3-chloroisoquinoline5-broMo-3-????????1029720-67-9C9H5BrClN
4-PyridinecarboxaMide,3-aMino-2,6-dichloro1263378-64-8C6H5Cl2N3O
3-Chloro-2,5,6-trimethoxyisonicotinic acid1383789-11-4C9H10ClNO5
CARBAZOLE (RING-D8)38537-24-5C12HD8N
Glycine, N,N'-[1-(4,5-dimethoxy-2-nitrophenyl)-1,2-ethanediyl]bis[N-(carboxymethyl)-, tetrasodium salt (9CI)291517-40-3C18H24N3NaO12
5-METHOXY-PYRROLO[2,3-B]PYRIDINE-1-CARBOXYLICACIDTERT-BUTYLESTER5-???-???[2,3-B]???-1-????????-??????928653-83-2C13H16N2O3
sodium 2,4,6-tris(propan-2-yl)benzene-1-sulfinate
o-Hydroxybenzylchlorideo-????????????40053-98-3C7H7ClO
4-Trifluoromethyl-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester4-????????-????-1,4-????????-tert-??????495415-51-5C12H18F3NO4
6-AZAURACIL18802-37-4C3H5N3O2
1,3-Diiodotetrafluorobenzene1,3-?????????????67815-57-0C6F4I2
3,5-Dibromo-4-methylpyridine3430-23-7C6H5Br2N
2-Chloro-4-bromo-6-methylpyrimidine1137576-45-4C5H4BrClN2
4,4-BIS(N,N-DIBUTYRIC ACID)4,4-BIS(N,N-?????)6828-42-8C8H15NO4
2H-Pyran, 2,3-difluorotetrahydro-, cis- (9CI)141291-17-0C5H8F2O
BIS(METHYLENEDITHIO)TETRATHIAFULVALENEBIS(METHYLENEDITHIO)????????68550-20-9C8H4S8
1-BENZYL-6-OXO-1,6-DIHYDRO-PYRIDAZINE-3-CARBOXYLIC ACID171673-00-0C12H10N2O3
CYCLOPROPYLACETALDEHYDE??????????????72072-03-8C8H14BrNO3
5-Bromo-2-ethyl-1H-pyrrolo[2,3-b]pyridine1222533-88-1C18H25F3N2O2Si
3-chloro-5-nitropicolinic acid3-???-5-??????141238-23-5C6H3ClN2O4
Benzoic acid, 2-(5-carboxy-2,3-dihydroxyphenoxy)-3,4,5-trihydroxy-5693-34-5C14H10O10
3-Azabicyclo[3.1.1]heptane-3,6-dicarboxylic acid, 3-(1,1-dimethylethyl) ester, (1α,5α,6α)-1934303-80-6C12H19NO4
Benzeneacetonitrile, 3-fluoro-2-methyl- (9CI)????????,3-????-2-??-(9CI)500912-15-2C9H8FN
3,4-Piperidinediol, 5-(difluoromethyl)-, (3R,4R,5S)-1293279-47-6C6H11F2NO2
Ampicillin sodium???? ???69-52-3C16H20N3NaO4S
2-Trifluoromethyl-5-bromopyridine436799-32-5C6H3BrF3N
4,5-DIMETHOXYPYRIDIN-3-AMINE1087659-17-3C7H10N2O2
5-Bromo-7-chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-c]pyridine1198096-80-8C16H24BrClN2Si
6-Bromo-2-chloro-4-((trimethylsilyl)ethynyl)-pyridin-3-amine1203499-68-6C10H12BrClN2Si
DIMETHYLSULFONAZO III14979-11-4C24H20N4O14S4
8-CHLOROQUINOLINE-2,3-DICARBOXYLIC ACID DIETHYL ESTER8-??????-2,3-?????????????892874-60-1C15H14ClNO4
1,1,2,2,3,3-HEXAFLUOROPROPANE-1,3-DISULFONIMIDE POTASSIUM SALT588668-97-7C3F6KNO4S2
Sodium 2,4,5-trichlorobenzenesulphonate6378-25-2C6H3Cl3O3S
TRIMETHYL(4-PYRIDYL)TIN????(4-???)??59020-06-3C8H13NSn
1H-Pyrazole-4-methanol, 5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-946409-52-5C7H7F5N2O2
Isoxazole, 4-bromo-5-(4-methylphenyl)-1159981-73-3C10H8BrNO
3-Chloro-2,5-difluoropyridine3-???-2,5-????????851179-00-5C5H2ClF2N
2-Pyrimidinamine, N-cyclopentyl-4-(1-methylethyl)-5-(3-methyl-5-isoxazolyl)-1381278-01-8C16H22N4O
3-CHLORO-4-METHYLBENZENESULFONYL CHLORIDE3-CHLORO-4-????????????42413-03-6C7H6Cl2O2S
4-Chloro-5-nitro-2-hydroxypyridine4-???-5-???-2-????????850663-54-6C5H3ClN2O3
2-(CHLOROMETHYL)PHENYL ACETATE2-(?????)???????15068-08-3C9H9ClO2
S-(Trifluoromethyl)dibenzothiophenium tetrafluoroborate5-(????????)??????? ???????????131880-16-5C13H8BF7S
(5-Bromofuro[2,3-b]pyridin-2-yl)methanol(5-?????[2,3-b]???-2-?)???1188990-02-4C8H6BrNO2
3-CHLORO-4-IODOPYRIDINE77332-79-7C5H3ClIN
4-CYCLOPENTYLPHENOL4-????????1518-83-8C11H14O
3,5-DIFLUORO-4-(TRIFLUOROMETHYL)BROMOBENZENE3,5-?????-4-(????????)?????156243-64-0C7H2BrF5
(S)-TERT-BUTYL 3-(CHLOROSULFONYL)PYRROLIDINE-1-CARBOXYLATE1932525-90-0C9H16ClNO4S
2,3,6-TRIFLUOROPYRIDINE3512-18-3C5H2F3N
4-amino-3-benzyl-3-methylbutan-2-ol1483742-87-5C12H19NO
1,1,2,2,3,3-HEXAFLUOROPROPANE-1,3-DISULFONIMIDE LITHIUM SALT189217-62-7C3H2F6LiNO4S2
2-BROMO-1,4-DIMETHYL-1H-IMIDAZOLE2-???-1,4-????-1H-????235426-30-9C5H7BrN2
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