4-cyano-N-[2-(1-cyclohexenyl)-4-[1-(2-dimethylaminoacetyl)piperidin-4-yl]phenyl]-3H-imidazole-2-carboxamide 4-cyano-N-[2-(1-cyclohexenyl)-4-[1-(2-dimethylaminoacetyl)-4-piperidyl]phenyl]-3H-imidazole-2-carboxamide 4-cyano-N-[2-(1-cyclohexenyl)-4-[1-(2-dimethylamino-1-oxoethyl)-4-piperidinyl]phenyl]-3H-imidazole-2-carboxamide 4-cyano-N-[2-(1-cyclohexenyl)-4-[1-(2-dimethylaminoethanoyl)piperidin-4-yl]phenyl]-3H-imidazole-2-carboxamide