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

??4-(???????-2H-??-2-???)-2-??????

??4-(???????-2H-??-2-???)-2-??????
??4-(???????-2H-??-2-???)-2-?????? ??? ???
?? ??:
69511-49-5
???:
??4-(???????-2H-??-2-???)-2-??????
???(??):
??4-(???????-2H-??-2-???)-2-??????
???:
Methyl 4-(tetrahydro-2H-pyran-2-yloxy)-2-butynoate
???(??):
Methyl 4-[(2-Tetrahydropyranyl)oxy]-2-butynoate;Methyl 4-(tetrahydro-2H-pyran-2-yloxy)-2-butynoate;2-Butynoic acid, 4-[(tetrahydro-2H-pyran-2-yl)oxy]-, methyl ester;2-Butynoic acid, 4-[(tetrahydro-2H-pyran-2-yl)oxy]-, methyl ester (Related Reference)
CBNumber:
CB12660751
???:
C10H14O4
??? ??:
198.22
MOL ??:
69511-49-5.mol

??4-(???????-2H-??-2-???)-2-?????? ??

?? ?
100-101 °C(Press: 0.30 Torr)
??
1.13±0.1 g/cm3(Predicted)

??

??4-(???????-2H-??-2-???)-2-?????? C??? ??, ??, ??

??4-(???????-2H-??-2-???)-2-?????? ?? ?? ? ???

???

?? ??

??-4-????-2-?????? 2-METHOXYTETRAHYDROPYRAN

??4-(???????-2H-??-2-???)-2-?????? ?? ??

???( 6)?? ??
??? ?? ??? ?? ?? ? ??
Hangzhou MolCore BioPharmatech Co.,Ltd. 		+86-057181025280; +8617767106207
 sales@molcore.com China 49734 58
SHANGHAI YOUNG-CHEM CHEMICAL CO., LTD. 		+8613817489192
 hebe@ychemchemical.com China 2435 58
Amadis Chemical Company Limited 		571-89925085
sales@amadischem.com China 131956 58
Wuhan ariel chemical Co., LTD. 18986259541 18986259541
 sales@3stc.com China 3661 58
Shaoyuan Technology (Shanghai) Co., Ltd. 021-50795510 4000665055
 marketing@accelachem.com China 9999 58
Shanghai alkynechem Co., Ltd. 086-021-15821262312 15821262312
 info@alkynechem.com China 2224 58
Copyright 2019 ? ChemicalBook. All rights reserved
美姑县| 屏山县| 肥城市| 云梦县| 德江县| 临沂市| 嘉善县| 肇庆市| 临洮县| 江城| 甘德县| 惠东县| 乐清市| 界首市| 滁州市| 固始县| 临海市| 遂川县| 卓资县| 隆尧县| 浦县| 隆安县| 牙克石市| 合江县| 邹城市| 沧源| 武隆县| 凤凰县| 盱眙县| 高碑店市| 手游| 丘北县| 来凤县| 五莲县| 云南省| 闽清县| 子洲县| 长宁区| 丰原市| 垦利县| 梁河县|