117018-97-0 BRN 5616535 Ethanedithioamide, N,N'-bis(2-(2-oxo-1-pyrrolidinyl)ethyl)- N,N'-Bis(2-(2-oxo-1-pyrrolidinyl)ethyl)ethanedithioamide N,N'-Bis(beta-(2-pyrrolidon-1-yl)ethyl)dithiooxamide