Vardenafil Impurity 2

Chemical Name: Imidazo[5,​1-​f]​[1,​2,​4]​triazine-​7-​carboxylic acid, 2-​[2-​ethoxy-​5-​[(4-​ethyl-​1-​piperazinyl)​sulfonyl]​phenyl]​-​1,​4-​dihydro-​5-​methyl-​4-​oxo-​, ethyl ester;

Synonym: NULL

Smile: CCOC1=C(C2=NN3C(C(N2)=O)=C(C)N=C3C(OCC)=O)C=C(S(N4CCN(CC)CC4)(=O)=O)C=C1