2-hydroxymethyl-5,7-dimethyl-3-(2-chlorophenyl)-4-oxo-3,4-dihydroquinazoline-6-carboxylic acid ethyl ester

异氰酸甲酯

2-amino-5-ethoxycarbonyl-4,6-dimethylbenzoic acid

6-acetamido-3-(ethoxycarbonyl)-2,4-dimethylbenzoic acid

3-(2-氯苯基)-2,5,7-三甲基-4-氧代喹唑啉-6-羧酸乙酯