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Nanjing kangquan Bio-pharmaceutical Technology Co. , Ltd.??? ?? ??? ?????.
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Nanjing kangquan Bio-pharmaceutical Technology Co. , Ltd.
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m19052800922@163.com
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China
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Vardenafil USP Related Compound E (N-Desethyl Vardenafil);2-(2-ethoxy-5-(piperazin-1-ylsulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one
N-????????
448184-46-1
C21H28N6O4S
Vardenafil Impurity B;4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydroimidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonic acid
437717-43-6
C17H20N4O5S
Vardenafil hydrochloride
????
224785-91-5
C23H33ClN6O4S
Vardenafil EP Impurity A;2-(2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5,7-dimethylimidazo[5,1-f][1,2,4]triazin-4(3H)-one
2169247-39-4
C21H28N6O4S
Vardenafil USP Related Compound D (Vardenafil N-Oxide);4-((4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydroimidazo[5,1-f][1,2,4]triazin-2-yl)phenyl)sulfonyl)-1-ethylpiperazine 1-oxide
448184-48-3
C23H32N6O5S
Vardenafil EP Impurity C (Vardenafil Dimer);2,2'-((piperazine-1,4-disulfonyl)bis(6-ethoxy-3,1-phenylene))bis(5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one)
1255919-03-9
C38H46N10O8S2
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