6-氨基-4-嘧啶甲酰胺

6-ethyl-9-(4-ethylphenyl)-4-methoxybenzo[f]isoindole-1,3-dione

2,4,5-三甲基-1H-咪唑

6-bromo-2,2-dimethylspiro[3H-chromene-4,5'-imidazolidine]-2',4'-dione

3-乙酰基-4-羟基-6-甲基吡啶-2(1h)-酮