Synonyms: 3-Pyridinecarboxylicacid,5-(5,5-dimethyl-1,3,2-dioxaphosphorinan-2-yl)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-,2-[phenyl(phenylmethyl)amino]ethyl ester, P-oxide, monohydrochloride;3-Pyridinecarboxylic acid, 5-(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphorinan-2-yl)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-,2-[phenyl(phenylmethyl)amino]ethyl ester, monohydrochloride (9CI);Efonidipinehydrochloride;NZ 105;