3-[[[Bis[2-(3-benzylthioureido)ethyl]amino](thiocarbonyl)]thio]-1-propanesulfonic acid sodium salt

sodium 7-[2-[[(benzylamino)thioxomethyl]amino]ethyl]-1-phenyl-3,8-dithioxo-9-thia-2,4,7-triazadodecane-12-sulphonate