潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

China Xanthine Suppliers, China Xanthine Manufacturers.

ChemNet  |   Sign in  |   Join Now
Verified
Supplier
14th

year

SUNWELL CHEMICALS CO.,LTD.
http://www.tcbest88.com/ChinaSuppliers/29494/
CN China Suppliers > sunwell-chem >

Xanthine

Details for Xanthine

Xanthine

Category:

Intermediates

Xanthine
CAS NO: 69-89-6
EC NO: 200-718-6
Molecular Formula: C5H2N4O2
Molecular Weight: 150.095
Specification:
InChI: InChI=1/C5H2N4O2/c10-4-2-3(7-1-6-2)8-5(11)9-4/h1H,(H,9,10,11)
Synonyms: xanthine 99-100%;xanthine sigmaultra;purine-2(3H),6(1H)-dione;2,6-Dihydroxypurine;3,7-dihydro-1H-purine-2,6-dione;3,5-dihydro-1H-purine-2,6-dione;1H-purine-2,6-dione;2,6-Dihydroxy purine;
Molecular Structure: Xanthine 69-89-6
if you are sourcing Xanthine from China ,just feel free to inquire
ChemNet  |   Product  |   Suppliers  |   Buy  |   Sell  |   News  |   REACH  |   Directory  |   CAS  |   Resource
ChemNet is a registered trademark of Zhejiang NetSun Co., Ltd.
主站蜘蛛池模板: 博罗县| 益阳市| 昭平县| 镇远县| 揭西县| 新密市| 仲巴县| 开平市| 大名县| 南漳县| 云安县| 襄城县| 镇安县| 新宾| 梁河县| 昌黎县| 沙洋县| 邳州市| 福贡县| 许昌县| 宁阳县| 莱芜市| 南宫市| 屯昌县| 常德市| 洞口县| 盐山县| 唐山市| 博湖县| 安庆市| 句容市| 昔阳县| 肃北| 澄江县| 丹棱县| 普宁市| 鹿泉市| 昂仁县| 南汇区| 英吉沙县| 六枝特区|