| 英文同义词: | OTAVA-BB BB5240710023;AURORA 22372;ethyl 2-({4-oxo-1H,2H,3H,4H-cyclopenta[c]chromen-7-yl}oxy)acetate;Acetic acid, 2-[(1,2,3,4-tetrahydro-4-oxocyclopenta[c][1]benzopyran-7-yl)oxy]-, ethyl ester;(4-Oxo-1,2,3,4-tetrahydro-cyclopenta[c]chromen-7-yloxy)-acetic acid ethyl ester |