电影x爱一对男女在浴室,欧美激情一区二区三区免费观看,久久久久久久精品久久久久国超,色舞月亚洲综合一区二区,日韩亚洲av人人夜夜澡人人爽

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