无码人妻丝袜在线视频_成年免费视频黄网站zxgk_国产欧美在线观看不卡_992tv精品视频tv在线观看_欧美极品少妇无套实战

One stop laboratory

Overall solution service provider

電話

contact

phone

851-2569016

13809460779

內(nèi)頁(yè)banner

Product Center

current location: Home> Product Center> Aroma chemical

Contact Us聯(lián)系我們

GuiZhou QingZhen Rise Fine Chemicals Co.,Ltd.

mobile:13809460779

phone:0851-2569016

email:[email protected]

website:www.mkpq.com.cn

address:Ganheba Village, Qingzhen City, Guiyang City

2,5-Dimethyl thiophene

source:GuiZhou QingZhen Rise Fine Chemicals Co.,Ltd. Release time:2024-06-13 browse:970

2,5-Dimethyl thiophene

P014

Molecular formula: C6H8S

Molecular weight:112.194

Assay:>98%

Boiling point:136.7℃;26.2℃/10mmHg

refractive index:1.5129

Density: 0.985

Appearance:Colorless liquid.

Sense and characteristics: Have flavour like cook beaf,bake coffee and alliacous.

Usage being:Used as flavour and intermidate of pharmacal


phone:13809460779   0851-2569016

mailbox:[email protected]

address:Ganheba Village, Qingzhen City, Guiyang City

Mobile website

Mobile website

亚洲av日韩综合一区在线观看| 日本五月天婷久久网站| 国产精品免费视频色拍拍| 精品黑人一区二区三区| 久久精品熟女亚洲av麻豆| 精品乱码久久久久久中文字幕| 精品久久久久久无码中文字幕一区| 日本丰满少妇xxxx| 男人扒开女人双腿猛进视频| mm1313亚洲国产精品无码试看| 欧美日韩精品久久久免费观看| 久久精品国产一区二区电影| 中文无码日韩欧| 香蕉久久人人爽人人爽人人片av| 国产精品国产三级国产a| 苍井空一区二区波多野结衣av| 日本少妇被黑人xxxxx| 久久和欧洲码一码二码三码| 亚洲欧美激情精品一区二区| 中出内射颜射骚妇| 国产乱人伦真实精品视频| 国产亚洲精久久久久久无码77777| 蜜桃视频无码区在线观看| 女人18毛片水最多| 无码av天堂一区二区三区| 久久人人爽人人爽人人片ⅴ| 国产精品久久无码一区二区三区网| 亚洲精品美女久久久久9999| 特级做a爰片毛片免费看108| 国产又色又爽无遮挡免费动态图| 久久精品人成免费| 香港三级韩国三级日本三级| 老熟女五十路乱子交尾中出一区| 人妻无码中文专区久久五月婷| 亚洲国产精品第一区二区| 国产精品超清白人精品av| 国产午夜精品久久久久免费视| 99国产精品久久久久久久成人热| 国产农村一国产农村无码毛片| 中文字幕无码久久精品| 少妇极品熟妇人妻无码|