89-51-0
邻羧基苯乙酸
+
108-24-7
乙酸酐
→
2848-28-4
4-acetyl-4H-isochromene-1,3-dione
4456-77-3
1,3-[2H,4H]-异喹啉二酮
25113-15-9
methyl 3-methyl-1-oxoisochromene-4-carboxylate
78873-74-2
1-methyl-2H-isochromeno[3,4-c]pyrazol-5-one
4494-53-5
2-甲基异喹啉-1,3(2H,4H)-二酮