19212-42-1
1-(5-甲基-3-苯基-4-异噁唑)-乙酮
→
61728-34-5
methyl 3-(5-methyl-3-phenyl-1,2-oxazol-4-yl)but-2-enoate
61728-35-6
3-(5-methyl-3-phenyl-isoxazol-4-yl)-but-3-enoic acid methyl ester