2-对甲苯-4H-异喹啉-1,3-二酮

3-(2-甲苯基)-1H-2-苯并吡喃-1-酮

(4E)-4-(aminomethylidene)isochromene-1,3-dione

ethyl 2-(2-methoxy-2-oxoethyl)benzoate

3-methyl-2,3-dihydro-[1,3]thiazolo[3,2-b]isoquinolin-5-one