115997-68-7
1-((4-bromo-2-methylbut-3-yn-2-yl)oxy)-4-chlorobenzene
→
115997-71-2
4-bromo-6-chloro-2,2-dimethylchromene
80055-85-2
6-氯-3,4-二氢-2,2-二甲基-2H-1-苯并吡喃-4-酮