65400-75-1 BRN 1223869 Butanediamide, N,N'-bis(3-methyl-2-thiazolidinylidene)- N,N'-Bis(3-methyl-2-thiazolidinylidene)succinamide N,N-Bis(3-methyl-2-thiazolidinylidene)succinamide Succinamide, N,N'-bis(3-methyl-2-thiazolidinylidene)-