51070-17-8
6-methyl-chromeno[3,4-d]isoxazol-4-one
→
58138-71-9
4-hydroxy-8-methyl-2-oxochromene-3-carbonitrile
4386-39-4
2-乙酰基-3-甲基苯甲酸
83-40-9
3-甲基水杨酸