英文同义词
10-Acetyl-1,2,6,7-tetrahydro-3H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-11-one;Coumarin 334,99%,pure,laser grade;Coumarine 334;1h,5h,11h-[1]benzopyrano[6,7,8-ij]quinolizin-11-one,10-acetyl-2,3,6,7-tetrahyd;C 334;COUMARIN 521;COUMARIN 334;1H,5H,11H-[1]BENZOPYRANO[6,7,8-IJ]QUINOLIZIN-11-ONE, 10-ACETYL-2,3,6,7-TETRAHYDRO-