英文别名1,2,3,4-Tetrahydro-6-methyl-2,4-bis(2-nitrophenyl)-5-pyrimidinecarboxylic acid Methyl Ester; methyl 2,4-bis{2-nitrophenyl}-6-methyl-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate; METHYL 2,4-BIS[2-NITROPHENYL]-6-METHYL-1,2,3,4-TETRAHYDRO-5-PYRIMIDINECARBOXYLATE; Nifedipine Impurity 14; Nifedipine Impurity 7; Nifedipine Impurity 7(a mixture of cis and trans isomers); Nifedipine Impurity 10; 5-Pyrimidinecarboxylic acid, 1,2,3,4-tetrahydro-6-methyl-2,4-bis(2-nitrophenyl)-, methyl ester 
