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 5910-89-4 is provided by ChemNet.com
Chemical CAS Database with Global Chemical Suppliers - ChemNet


   ChemNet > CAS > 5910-89-4 2,3-dimethylpyrazine

5910-89-4 2,3-dimethylpyrazine

??? ?????? 2,3-dimethylpyrazine
????? ??????????? 2,3-dimethylpyrazine; 2,3-Dimethyl pyrazine; 2,3-Dimethyl-1,4-diazine
?????? ???????? C6H8N2
????? ??????? ??????? 108.1411
InChI InChI=1/C6H8N2/c1-5-6(2)8-4-3-7-5/h3-4H,1-2H3
?????????? ???????? ??????? 5910-89-4
???????? ????????? ??? 227-630-0
???? ?????? 5910-89-4 2,3-dimethylpyrazine
????? 0.997g/cm3
???? ???????? 11-13℃
???? ??????? 158.1°C at 760 mmHg
????? ???????? 1.503
???? ?????? 54.4°C
??? ?????? 3.45mmHg at 25°C
?????? ??? ??????? ??????  Xn:Harmful;
??? ????????? R10:;
R22:;
???? ????? S16:;
主站蜘蛛池模板: 舒城县| 松溪县| 普格县| 南安市| 凌云县| 新竹市| 卢湾区| 屏南县| 昭平县| 武陟县| 东莞市| 邹平县| 郓城县| 调兵山市| 治多县| 新竹市| 延川县| 牟定县| 共和县| 武川县| 乌拉特后旗| 甘孜县| 张家界市| 固始县| 喀喇沁旗| 保亭| 高台县| 织金县| 衡阳县| 延寿县| 乌拉特前旗| 中西区| 开阳县| 南陵县| 河东区| 西安市| 阳江市| 乌鲁木齐市| 咸宁市| 广宗县| 玉林市|