107871-16-9
ethyl 2-(5-bromopentyl)-1,3-dithiane-2-carboxylate
→
107872-93-5
7-bromo-2-oxoheptanoic acid
111-24-0
二溴戊烷
107871-17-0
ethyl 7-bromo-2-oxoheptanoate
82009-34-5
西司他丁