Chemical Name: (Z)-2-((2S)-5-((S)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl)-2-mercaptocyclohexylidene)acetic acid
Synonym: Valaciclovir EP Impurity A ; Aciclovir EP Impurity B ; Guanine ;
Smile: S[C@@H](CCC([C@@](C(OC)=O)([H])C1=C(Cl)C=CC=C1)C/2)C2=C/C(O)=O