成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

<dl id="arwys"></dl>

<table id="arwys"><thead id="arwys"><xmp id="arwys"></xmp></thead></table>

<rt id="arwys"></rt>

<tt id="arwys"><small id="arwys"><strong id="arwys"></strong></small></tt>

<table id="arwys"><input id="arwys"><div id="arwys"></div></input></table>

<var id="arwys"><input id="arwys"></input></var>

<i id="arwys"></i>

?? ??:

Chinese

English

Japanese

Germany

Korea

ChemicalBook >?? ???? >7,9,12-??????[a]????

7,9,12-??????[a]????

7,9,12-??????[a]????

7,9,12-??????[a]???? ??? ???

?? ??:: 24891-41-6

???:: 7,9,12-??????[a]????

???(??):: 7,9,12-??????[a]????

???:: 7,9,12-Trimethylbenz[a]anthracene

???(??):: 7,9,12-Trimethylbenz[a]anthracene;Benz[a]anthracene, 7,9,12-trimethyl-

CBNumber:: CB22324267

???:: C21H18

??? ??:: 270.37

MOL ??:: 24891-41-6.mol

??

??

??

7,9,12-??????[a]???? ??

?? ?: 480.48°C (rough estimate)

??: 1.0691 (estimate)

???: 1.7120 (estimate)

??

7,9,12-??????[a]???? C??? ??, ??, ??

7,9,12-??????[a]???? ?? ?? ? ???

???

?? ??

7,9,12-??????[a]???? ?? ??

???( 0)?? ??

???	??	???	??	?? ?	??

Copyright 2019 ? ChemicalBook. All rights reserved