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