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

The physical and chemical property of 771-03-9 is provided by ChemNet.com
Chemical CAS Database with Global Chemical Suppliers - ChemNet


   ChemNet > CAS > 771-03-9 3-?????-4-????????-6-????-2H-?????-2-???

771-03-9 3-?????-4-????????-6-????-2H-?????-2-???

?? ????? 3-?????-4-????????-6-????-2H-?????-2-???
?????? ;D ???? ???? ??????????; 2H-Pyran-2-one, 3-?????-4-hydroxy-6-methyl-; 3-?????-2-????????-6-????-4H-?????-4-???
?? ????? 3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one; Dehydroacetic enol form; 2H-Pyran-2-one, 3-acetyl-4-hydroxy-6-methyl-; 3-acetyl-2-hydroxy-6-methyl-4H-pyran-4-one
????????? ??????? C8H8O4
???? ???????? 168.1467
InChI InChI=1/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,10H,1-2H3
???? CAS 771-03-9
EINECS 212-227-4
???? ???????? 771-03-9 3-?????-4-????????-6-????-2H-?????-2-???
?????? 1.369g/cm3
????? ????? 305.048°C at 760 mmHg
???? ????? 1.556
????? ???? 126.537°C
??? ???? 0mmHg at 25°C
Hazard ??????
??????? ????
?????? ?????
主站蜘蛛池模板: 富裕县| 宜良县| 武乡县| 东阳市| 台东市| 会同县| 库车县| 海兴县| 余江县| 佛冈县| 仁怀市| 那曲县| 蒙自县| 杂多县| 昌黎县| 阿巴嘎旗| 泗洪县| 尤溪县| 渑池县| 禹州市| 威远县| 靖西县| 津市市| 星子县| 巴林右旗| 吴桥县| 余庆县| 肥东县| 时尚| 定结县| 北流市| 龙游县| 泸水县| 阳江市| 凤台县| 峨眉山市| 斗六市| 枣强县| 黄龙县| 西城区| 绍兴市|