国产传媒无码一区|武侠卡通动漫人妻另类|色偷偷91综合久久噜噜|国产高清在线精品一区小说|午夜无码人妻av大片色欲|午夜亚洲国产一区二区三区|国产欧美日韩精品A在线观看|人妻被按摩到潮喷中文字幕久久

Products

Products

Dimethyl acetylenedicarboxylate
Product name: Dimethyl acetylenedicarboxylate
CAS NO.: 762-42-5

Alias: Dimethyl 2-butynedioate

Appearance: Colorless liquid

Content: 99%

Molecular formula: CH3OCOC≡CCO2CH3

Molecular weight: 142.11

Structural formula: Dimethyl acetylenedicarboxylate


Copyright(C)2021,Hunan Dacheng Medical Chemical Co., Ltd. All Rights Reserved. All Rights Reserved.?
Supported by?ChemNet?ChinaChemNet?Toocle?31fabu?Copyright Notice