如果企业客服不在线,也可拨打400电话联系。或者发布求购信息
N-乙烯基咔唑
t-Butyl N-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)
2,6-二氯苯并恶唑
LONG GROUND CONES, SKIRTED, FINISHED, NS 29.2/42, DURAN
Acetic acid, for biochemistry, 99.8% 1LT
3,4-二溴甲苯
聚酰亚胺树脂
AA Grade Silicon, 25 mL 1,000 mg/L in H2O
内插管 0.2ML 5X31 平底--500/包装
对苯二甲酸