1,1'-Dithioformamidine dihydrochloride 14807-75-1 3256-06-2 35468-36-1 Dithioformamidine dihydrochloride EINECS 238-876-3 FORMAMIDINE, 1,1'-DITHIODI-, DIHYDROCHLORIDE Guanyl disulfide dihydrochloride Thioperoxydicarbonimidic diamide (((H2N)C(NH))2S2), dihydrochloride USAF A-11074 alpha,alpha'-Dithiobisformamidine hydrochloride