Synonyms: Pinacidil pyridine N-oxide;(+-)-N''-Cyano-N-(1-oxido-4-pyridyl)-N'-(1,2,2-trimethylpropyl)guanidine;P-1368;Guanidine, N-cyano-N-4-pyridinyl-N''-(1,2,2-trimethylpropyl)-, N-oxide;N-Cyano-N'-(pyridin-4-yl)-N''-(1,2,2-trimethylpropyl)guanidine N-oxide;1-cyano-2-(3,3-dimethylbutan-2-yl)-3-(1-hydroxypyridin-4(1H)-ylidene)guanidine