methyl 2,4-bis{2-nitrophenyl}-6-methyl-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate

1,?2,?3,?4-?Tetrahydro-?6-?methyl-?2,?4-?bis(2-?nitrophenyl)?-5-?pyrimidinecarboxylic acid Methyl Ester is an impurity of Nifedipine (N457000); a dihydropyridine calcium channel blocker. Also used as an antihypertensive and antianginal.