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:contcat@eschemical.com

website:www.mkpq.com.cn

address:Ganheba Village, Qingzhen City, Guiyang City

Cyclopentanone

source:GuiZhou QingZhen Rise Fine Chemicals Co.,Ltd. Release time:2024-06-13 browse:1444

Cyclopentanone

P016

Molecular formula: C5H8O

Molecular weight: 84.166

Assay:>99.0%

Boiling point:130.65℃

Refractive index:1.4436

Density:0.9487

Appearance:Colorless liquid.

Sense and characteristics:Have flavour like mint.

Usage being:Used as flavour and intermidate of pharmacal

phone:13809460779   0851-2569016

mailbox:contact@eschemical.com

address:Ganheba Village, Qingzhen City, Guiyang City

Mobile website

Mobile website

亚洲 另类 熟女 字幕| 亚洲欧美色中文字幕在线| 人人爽人人片人人片av| 亚洲精品乱码久久久久久| 又色又爽又黄的视频网站| 大肉大捧一进一出视频| 欧洲亚洲日韩性无码专区| 亚洲av无一区二区三区| 久久久精品一区aaa片| 亚洲精品一区国产精品| 国精产品一品二品国在线| 久久人妻av无码中文专区| 午夜无码一区二区三区在线观看| 欧美牲交视频免费观看| 国模叶桐尿喷337p人体| 亚洲乱码一二三四区| 日韩精品一区二区三区中文不卡| 人妻丰满熟妇av无码区app| 日韩精品成人无码专区免费| 日本少妇春药特殊按摩3| 国产av激情久久无码天堂| 18禁止进入1000部高潮网站| 欧美日韩午夜群交多人轮换| 夜爽8888视频在线观看| 欧美精品中文字幕亚洲专区| 久久夜色精品国产噜噜亚洲av| 伦埋琪琪电影院久久| 成人性生交大片免费看vr| 精品久久久久久久中文字幕| 欧美人牲交免费观看| 国产精品久久久久久久久久红粉| 国产精品久久久久久久久久久久人四虎| 亚洲av无码欧洲av无码网站| 少妇又紧又深又湿又爽视频| 国产精品vⅰdeoxxxx国产| 人人狠狠综合久久亚洲婷婷| 中国老熟妇自拍hd发布| 亚洲中文久久精品无码| 加勒比色老久久爱综合网| 人人妻人人澡人人爽人人精品| 97丨九色丨国产人妻熟女|