阿曲汀中间体3

2,3,5-trimethylaniline

(E)-ethyl 4-chloro-3-methylbut-2-enoate

(2E,4E)-ethyl 5-(-4-methoxy-2,3,6-trimethylphenyl)-3-methylpenta-2,4-dienoate

3-甲基-4-膦酰丁烯酸三乙酯