2,2'-Tetramethylenebis(2-thiopseudourea), dihydrobromide 6345-25-1 Butylene-1,4-bisisothiourea dihydrobromide Carbamimidothioic acid, 1,4-butanediyl ester, dihydrobromide NSC18324 Pseudourea, 2,2'-tetramethylene(dithio-, dihydrobromide Pseudourea, 2,2'-tetramethylenebis(2-thio-, dihydrobromide WLN: MUYZS4SYZUM &EH 2