7-苯胺基香豆素-4-乙酸

ethyl 2-(6,7-dimethoxy-2-oxochromen-4-yl)acetate

1,5,5-trimethylspiro[5.5]undeca-1,10-dien-9-one

八氢-2,7-萘啶-2(1h)-羧酸叔丁酯

ethyl 2-(5-oxo-1,2-dihydropyrazol-3-yl)acetate