2-Cyano-1-tert-pentyl-3-(3-pyridyl)guanidine 1'-oxide 67026-63-5 BRN 0410760 Guanidine, 2-cyano-1-tert-pentyl-3-(3-pyridyl)-, 1'-oxide Guanidine, N-cyano-N'-(1,1-dimethylpropyl)-N''-3-pyridinyl-, N-oxide N''-Cyano-N-1-oxido-3-pyridyl-N'-tert-pentylguanidine