2-n-butyl-6-methylquinazolin-4(1H)-one

2-氯-5-甲基苯甲酸

6-甲基-2-硫代-2,3-二氢喹唑啉-4-酮

对甲苯基硫脲

2,3-dihydro-6-methyl-2-thioxo-3-p-tolylquinazolin-4(1H)-one