1,2-Ethanediamine, N,N-diethyl-N'-(5-(3-nitrophenyl)-1,3,4-thiadiazol-2-yl)- 57709-29-2 BRN 1155190 N,N-Diethyl-N'-(5-(3-nitrophenyl)-1,3,4-thiadiazol-2-yl)-1,2-ethanediamine