一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

???

???
??? ??? ???
?? ??:
20555-02-6
???:
???
???(??):
???
???:
Burrodin
???(??):
Burrodin;Azuleno[6,5-b]furan-2,5-dione, decahydro-7-hydroxy-4a,8-dimethyl-3-methylene-, (3aR,4aS,7S,7aS,8S,9aR)-;(3aR,7aα,9aα)-3aα,4,4a,5,6,7,7a,8,9,9a-Decahydro-7α-hydroxy-4aβ,8β-dimethyl-3-methyleneazuleno[6,5-b]furan-2,5-dione
CBNumber:
CB22332660
???:
C15H20O4
??? ??:
264.32
MOL ??:
20555-02-6.mol

??? ??

???
167-168 °C
?? ?
457.9±45.0 °C(Predicted)
??
1.22±0.1 g/cm3(Predicted)
?? ?? (pKa)
13.92±0.60(Predicted)

??

??? C??? ??, ??, ??

??

ChEBI: A pseudoguaianolide that is decahydroazuleno[6,5-b]furan-2(3H)-one substituted by a hydroxy group a position 7, an oxo group at position 5, methyl groups at positions 4a and 8 and a methylidene group at position 3. It has be n isolated from the aerial parts of Inula hupehensis.

??? ?? ?? ? ???

???

?? ??


??? ?? ??

???( 0)?? ??
??? ?? ??? ?? ?? ? ??

Copyright 2019 ? ChemicalBook. All rights reserved
金华市| 双城市| 平乡县| 永德县| 龙州县| 邳州市| 沂水县| 苍梧县| 招远市| 钟祥市| 泌阳县| 招远市| 香港| 涪陵区| 博野县| 晋城| 盘山县| 眉山市| 二连浩特市| 江川县| 宣恩县| 施秉县| 三门峡市| 策勒县| 泗阳县| 兰坪| 贵定县| 宣武区| 元氏县| 陇西县| 富裕县| 山丹县| 滦平县| 泗洪县| 五峰| 襄樊市| 得荣县| 蓬莱市| 象山县| 尚志市| SHOW|