51070-15-6
8-methyl-chromeno[3,4-d]isoxazol-4-one
→
58138-60-6
4-hydroxy-6-methyl-2-oxochromene-3-carbonitrile
14504-08-6
2-acetyloxy-5-methylbenzoic acid
89-56-5
5-甲基水杨酸