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

№A521
CAS Rn:【399-72-4】
Molecular weight: 149.16
Simple formula: C₉H₈FN
Chemical structure formula:
SPECIFICATIONS:
Appearance : Crystals or crystalline powder
Colour : Light brown
Purity : 98.0% min (HPLC)
Melting point : 98-101℃
Loss on drying : 0.5% max
Packing : In 25kg net drum with PE liners