| 英文同义词: | OTAVA-BB BB5240710023;AURORA 22372;(4-OXO-1,2,3,4-TETRAHYDRO-CYCLOPENTA[C]CHROMEN-7-YLOXY)-ACETIC ACID ETHYL ESTER;Acetic acid, 2-[(1,2,3,4-tetrahydro-4-oxocyclopenta[c][1]benzopyran-7-yl)oxy]-, ethyl ester;ethyl 2-({4-oxo-1H,2H,3H,4H-cyclopenta[c]chromen-7-yl}oxy)acetate |