Chemical Name: Monohydroxy Dapsone ; 4-((4-(hydroxyamino)phenyl)sulfonyl)aniline ; N-Hydroxy-4,4’-sulfonyldi(aniline) ; N-Hydroxy-4,4’-sulfonyldi-aniline ; 4-[(4-Aminophenyl)sulfonyl]-N-hydroxy-benzenamine
Smile: O=[S](C1=CC=C(NO)C=C1)(C2=CC=C(N)C=C2)=O