苯亚甲基二乙酸

9-(α-Acetoxybenzyl)-9-xanthenol

4-Carbamoyl-3-phenyl-1,5-dihydrospiro<2H-pyrrole-2,9'-xanthen>-5-one

2-Hydroxy-4-methyl-6-oxo-1,6-dihydro-3-pyridinecarboxamide

4,6(1H,5H)-嘧啶二酮(7CI,9CI)