1,1'-(Methylethanediylidenedinitrilo) bis (3-aminoguanidine) 1,1'-(Methylethanediylidenedinitrilo)bis(3-aminoguanidine) 59200-49-6 Carbonimidic dihydrazide, 2,2''-(1-methyl-1,2-ethanediylidene)bis- MBAG