52916-16-2
2,2-二甲基四氢-2H-吡喃-4-羧酸
→
60549-49-7
2,2-dimethyloxane-4-carbonyl chloride
84125-30-4
1-(3,4-二氢-2H-色烯-3-基)-4-(4-甲氧苯基)哌嗪