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banner

Product Center

current location: Home> Product Center> Drug intermediate

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

4-Hydroxyl-2-methoxyl benzaldehyde

source:GuiZhou QingZhen Rise Fine Chemicals Co.,Ltd. Release time:2024-06-13 browse:2089

4-Hydroxyl-2-methoxyl benzaldehyde

M001

Molecular formula: C8H8O3

Molecular weight: 152.147

Assay:>98%

Meltling point:153℃

Appearance:White crystal powder

Usage being:Used as intermidate of pharmacal.


Next:No data

phone:13809460779   0851-2569016

mailbox:contact@eschemical.com

address:Ganheba Village, Qingzhen City, Guiyang City

Mobile website

Mobile website

欧洲精品码一区二区三区免费看| 欧美a级肉欲大片xxx| 黑森林福利视频导航| 真人做人试看60分钟免费视频| 欧美人与性动交α欧美精品| 亚洲精品宾馆在线精品酒店| 浪荡女天天不停挨cao日常视频| 狠狠色噜噜狠狠狠狠av| 午夜伦4480yy私人影院| 国产精品无码素人福利不卡| 成人精品视频一区二区| 无码aⅴ精品一区二区三区浪潮| 国产精品高清一区二区三区不卡| 全程粗话对白视频videos| 涩涩鲁亚洲精品一区二区| 国产精品久久毛片av大全日韩| 天干天干天啪啪夜爽爽av| 99久久精品无码一区二区毛片| 色一情一乱一伦| 富婆如狼似虎找黑人老外| 亚欧洲精品在线视频免费观看| 无码av免费毛片一区二区| 久久夜色撩人精品国产av| 亚洲国产精品特色大片观看完整版| 亚洲18色成人网站www| 蜜臀av在线播放一区二区三区| 国精产品一区一区三区| 国产农村妇女毛片精品久久| 色综合热无码热国产| 99久久精品午夜一区二区| 久久久久亚洲av成人无码网站| 成av免费大片黄在线观看| 黑人巨大精品欧美一区二区免费| 亚洲av无码国产精品色午夜| 国内老熟妇对白xxxxhd| 国产精品永久久久久久久久久| 高清视频在线观看一区二区三区| 亚洲精品国精品久久99热| 亚洲风情亚aⅴ在线发布| 成人区人妻精品一熟女| 国产人妻人伦精品1国产丝袜|