英文别名4-[[(3-chloro-4-methoxyphenyl)methyl]amino]-2-(methylsulfonyl)-5-Pyrimidinecarboxylic acid ethyl ester; 5-Pyrimidinecarboxylic acid, 4-[[(3-chloro-4-methoxyphenyl)methyl]amino]-2-(methylsulfonyl)-, ethyl ester; Avanafil Impurity 76; 2-methylsulfonyl-5-ethoxycarbonyl-4-(3-chloro-4-methoxybenzylamino)pyrimidine 
