1,1'-Bis(2-aminophenylthio)methane 2,2'-(Methylenebis(thio))bisbenzenamine 2,2'-(Methylenebis(thio))dianiline 4,4'-Methylenebis(2-aminophenyl sulfide) 57491-68-6 Aniline, o,o'-methylenedithiodi- Benzenamine, 2,2'-(methylenebis(thio))bis- CCRIS 1005 EINECS 260-769-5