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:m.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

精品久久久久久无码人妻热| 亚洲啪av永久无码精品放毛片| 成+人+网+站+免费观看| 亚洲国产综合精品2020| 丰满岳乱妇一区二区三区| 四虎永久在线精品免费一区二区| 精品国产成人一区二区| 风流老太婆大bbwbbwhd视频| 无码av中文一区二区三区桃花岛| 永久黄网站色视频免费| 久久国产加勒比精品无码| 婷婷亚洲久悠悠色悠在线播放| 色欲av无码一区二区人妻| 亚洲av无码成人精品区在线播放| 波多野结衣乳巨码无在线| 国产又粗又大又黄| 亚洲爆乳精品无码一区二区| 日本一区二区三区免费播放| 欧美三根一起进三p| 麻豆人妻无码性色av专区| 影音先锋在线资源无码| 国产成人无码精品久久久露脸| 亚洲男人的天堂在线播放| 精品熟人妻一区二区三区四区不卡| 人妻少妇久久中文字幕一区二区| 青草内射中出高潮| 成人免费ā片在线观看| 特级精品毛片免费观看| 日日噜噜夜夜狠狠久久丁香五月| 男女一边摸一边做爽爽| 亚洲色成人网站www永久四虎| 久久精品午夜一区二区福利| 少妇无码一区二区三区| 特级毛片爽www免费版| 狠狠色狠狠色综合网| 亚洲av无码男人的天堂| 久久久久女人精品毛片| 久久精品岛国av一区二区无码| 少妇高潮毛片色欲ava片| 免费a级毛片在线播放不收费| 少妇久久久久久被弄到高潮|