在线观看视频免费完整版,人人超人人超碰超国产香蕉,国产色综合色产在线视频,欧洲亚洲色视频综合在线,欧洲亚洲色视频综合在线

№B204
CAS Rn:【2617-98-3】
Molecular weight: 146.21
Simple formula: C₁₀H₁₂N
Chemical structure formula:
SPECIFICATIONS:
Appearance : oil-like liquid
Colour : light yellow
Purity : 98.0% min (G.C)
Water : ≤ 0. 2% （K.F）
Packing : are packed in iron drums with PVF coated of 50Kgs net