67-16-3 Algoneurina Daiomin EINECS 200-644-4 Formamide, N,N'-(dithiobis(2-(2-hydroxyethyl)-1-methyl-2,1-ethenediyl))bis(N-((4-amino-2-methyl-5-pyrimidinyl)methyl)- N,N'-(Dithiobis(2-(2-hydroxyethyl)-1-methyl-2,1-ethenediyl)bis(N-(4-amino-2-methyl-5-pyrimidinyl)methyl))formamide N,N'-(Dithiobis(2-(2-hydroxyethyl)-1-methylvinylene))bis(N-((4-amino-2-methyl-5-pyrimidinyl)methyl)formamide) TDS Thiamine disulfide