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

№A523
CAS Rn:【1075-34-9】
Molecular weight: 210.07
Simple formula: C₉H₈BrN
Chemical structure formula:

SPECIFICATIONS:
Appearance : crystal
Colour : purple
Purity : 97.0% min (HPLC)
Melting point : 102～105℃
Loss on drying : 0.5% max
Packing : In 25kg net drum with PE liners