1072-13-5 15086-17-6 2-Guanidinoethyl disulfide Bis(2-guanidinoethyl)disulfide Bis(2-guanidoethyl)disulphide Guanidine, 1,1'-(dithiodiethylene)di- Guanidine, N,N'-(dithiodi-2,1-ethanediyl)bis- (9CI) Guanidinoethyl disulfide Guanidoethyl disulfide Guanylcystamine N,N'-(Dithiodi-2,1-ethanediyl)bisguanidine