2-bromo-6-chlorobenzyl bromide
2-溴-6-氯溴苄
CAS No. 75002-98-1
1,2,4,6,7-PCDD 82291-35-8
3-(4-丙基哌嗪-1-基)丙胺
D-THIAPROLINE 45521-09-3
对苯乙烯磺酸锂
BMY 05763-1D 4549-94-4