1-tert-Butyl-2-cyano-3-(3-pyridylmethyl)guanidine 67026-88-4 BRN 0406660 Guanidine, 1-tert-butyl-2-cyano-3-(3-pyridylmethyl)- Guanidine, N-cyano-N'-(1,1-dimethylethyl)-N''-(3-pyridinylmethyl)-