1,1'-Ethylenebis(2-thiourea) 10017-49-9 4-04-00-01223 (Beilstein Handbook Reference) BRN 1771864 Ethylenebis(thiourea) Ethylenethiocarbamide N,N''-Ethylenebisthiourea Thiourea, N,N''-ethylenebis- (8CI) Urea, 1,1'-(1,2-ethanediyl)bis(2-thio-