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

亚洲欧美精品大片无码无删减,黑人狂虐中国人妻陈艳,亚洲欧美日韩精品色xxx
會(huì)員登錄
請(qǐng)登錄您的生意號(hào),獲取電子名片。便于轉(zhuǎn)發(fā)分享!
取消
會(huì)員登錄
請(qǐng)登錄您的生意號(hào),獲取電子名片。便于轉(zhuǎn)發(fā)分享!
取消
2.3.3.5-Tetramethylindolenine
2.3.3.5-Tetramethylindolenine
Product Category:Indole and its derivatives

№A515
CAS Rn:【25981-82-2】
Molecular weight: 173.26
Simple formula: C12H15N
Chemical structure formula: 2.3.3.5-Tetramethylindolenine
SPECIFICATIONS:
Appearance : oil-like liquid
Colour : yellow
Purity : 99.0% min (G.C)
Water : 0.5% max(K.F)
Packing : are packed in iron drums with PVF coated of 50kgs net

Home

Home

News information

News

About Us

About Us

Products

Products

Contact Us

Contact Us