女同事醉酒被迷奷系列在线,久久精品国产亚洲AV高清热,亚洲高清国产拍精品熟女,在线观看国产最新a视频

Key products
Products
4,4'-Dibromobiphenyl
Name:           4,4'-Dibromobiphenyl
CAS No:           92-86-4

Appearance: off-white crystalline powder
Assay: 99.0% min.
Loss on drying: 0.5% max.
Packing: 25kgs UN approved packing, UN3152, Class9, Packing II

Back