1,1'-((Methylethanediylidene)dinitrilo)diguanidine sulfate (1:1) 13922-04-8 Guanidine, 1,1'-((methylethanediylidene)dinitrilo)di-, sulfate (1:1) Guanidine, 1,1'-(methylethanediylidenedinitrilo)di-, sulfate Hydrazinecarboximidamide, 2,2'-(1-methyl-1,2-ethanediylidene)bis-, sulfate (1:1) Methylglyoxal bis(guanylhydrazone) sulfate Methylglyoxal bis(guanylhydrazone)sulfate NSC 22185