英文同義詞: | 7-(ethylamino)-4-(trifluoromethyl)-2h-1-benzopyran-2-on;Coumarin500,lasergrade;Coumarin 500, 98%, laser grade, pure;Coumarin 500, laser grade, pure;4-(Trifluoromethyl)-7-(ethylamino)-2H-1-benzopyran-2-one;7-(Ethylamino)-4-(trifluoromethyl)-2H-1-benzopyran-2-one;Coumarin 500,98%,pure,laser grade;7-ETHYLAMINO-4-TRIFLUOROMETHYLCOUMARIN |