Efonidipine

Chemical Name: 2-(Benzyl(phenyl)amino)ethyl 5-(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-yl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate

Smile: O=C(C1=C(C)NC(C)=C(P2(OCC(C)(C)CO2)=O)C1C3=CC(N(=O)=O)=CC=C3)OCCN(CC4=CC=CC=C4)C5=CC=CC=C5