2,3-Pyridinediamine, N(sup 3)-(1-methyl-2-pyrrolidinylidene)- 2-Amino-3-(1-methyl-2-pyrrolidinylidene)aminopyridine 84859-10-9 BRN 4430464 N(sup 3)-(1-Methyl-2-pyrrolidinylidene)-2,3-pyridinediamine