2-Cyano-1-furanyl-3-(3-pyridyl)guanidine 67026-41-9 BRN 0422496 Guanidine, 2-cyano-1-furanyl-3-(3-pyridyl)- Guanidine, N-cyano-N'-(2-furanylmethyl)-N''-3-pyridinyl-