亚洲精品成a人片在线观看_床上色的视频网站免费观_在线看片免费人成视频免费大片_熟女bbw农村野外

Current location:Products
Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methane; Bis[(pinacolato)boryl]methane
Name:           Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methane; Bis[(pinacolato)boryl]methane
CAS No.:           78782-17-9
Purity:           ≥97%
Structural formula:           
返回