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

№A803
CAS Rn:【55970-05-3】
Molecular weight: 195.26
Simple formula: C₁₄H₁₃N
Chemical structure formula:
SPECIFICATIONS:
Appearance : crystal
Colour : off white
Purity : 99.0% min (HPLC)
Melting point : 133~135℃
Loss on drying : ≤0.5%
Packing : In 25kg net drum with aluminium film bag liners