国产精品自在在线午夜出白浆,亚洲不卡2卡3卡4卡5卡入口,午夜无码最新福利片,丁香婷婷五月天激情综合网,国产亚洲欧美电影在线观看

Code: HT009

Product Name: Diethyl 2-(aMinoMethylene)Malonate

Cas No.: 6296-99-7

Structural formula:

Molecular formula: C₈H₁₃NO₄
Purity: 98%
Melting point: 56-59°C
Storage conditions: 2-8°C(protect from light)
Character: White to light yellow solid