英文别名Clevidipine Impurity 6; 4-(2,3-Dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3-pyridinecarboxylic acid methyl ester; Clevidipine Impurity 13; Clevidipine Butyrate Impurity H168/79; Clevidipine Impurity I; Cleviprex Impurity 5; Clevidipine Butyrate Impurity 13; H 168/79