日本三人交三人配_黄色电影小说图片_国产精品18毛片一区二区_性做爰的免费视频_777影院理伦片片,三级不卡视频,亚洲第一久久久,亚州一区二区

№B401
CAS Rn:【491-35-0】
Molecular weight: 143.19
Simple formula: C₁₀H₉N
Chemical structure formula:
SPECIFICATIONS:
Appearance : Oil-like liquid
Colour : Yellow
Purity : 98.0% min (GC)
Water : ≤ 0. 2% （K.F）
Packing : are packed in iron drums with PVF coated of 200kgs or 50Kgs net