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

^{<blockquote id="ycrtp"></blockquote>}

The physical and chemical property of 2004-74-2 is provided by ChemNet.com

ChemNet > CAS > 2004-74-2 (2Z, 5E) -2,5-bis [hydroksy(metoksy) metyliden] furan-3,4 (2H, 5H) -dion

2004-74-2 (2Z, 5E) -2,5-bis [hydroksy(metoksy) metyliden] furan-3,4 (2H, 5H) -dion

produktnavn	(2Z, 5E) -2,5-bis [hydroksy(metoksy) metyliden] furan-3,4 (2H, 5H) -dion
Synonymer
Engelsk navn	(2Z,5E)-2,5-bis[hydroxy(methoxy)methylidene]furan-3,4(2H,5H)-dione;
Molekyl?r Formel	C₈H₈O₇
Molekylvekt	216.1449
InChI	InChI=1/C8H8O7/c1-13-7(11)5-3(9)4(10)6(15-5)8(12)14-2/h11-12H,1-2H3/b7-5-,8-6+
CAS-nummer	2004-74-2
Molecular Structure
Tetthet	1.646g/cm³
Kokepunkt	301.8°C at 760 mmHg
Brytningsindeks	1.594
Flammepunktet	119.3°C
Damptrykk	0.0001mmHg at 25°C
Hazard symboler
Risiko Koder
Sikkerhet Beskrivelse