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 819-21-6 is provided by ChemNet.com

ChemNet > CAS > 819-21-6 1,3-dibutyl-1,3-difluorodistannoxane

819-21-6 1,3-dibutyl-1,3-difluorodistannoxane

??? ?????	1,3-dibutyl-1,3-difluorodistannoxane
??? ???????	1,3-dibutyl-1,3-difluorodistannoxane;1,3-Dibutyl-1,3-difluorodistannoxane; dibutyl(fluoro)stannanyl hydrate
????? ????????	C₁₆H₃₈F₂OSn₂
??? ???????	521.8891
InChI	InChI=1/4C4H9.2FH.H2O.2Sn/c41-3-4-2;;;;;/h41,3-4H2,2H3;21H;1H2;;/q;;;;;;;2+1/p-2/r2C8H18FSn.H2O/c21-3-5-7-10(9)8-6-4-2;/h23-8H2,1-2H3;1H2
????? ??????	819-21-6
????? ??????? ???????	212-461-7
?????? ???????
??? ??????
????? ???
??????? ?????

^{<blockquote id="ip5zb"><rt id="ip5zb"></rt></blockquote>}