又硬又粗进去好疼A片麻豆,熟妇人妻久久中文字幕,国产精品久久久久av福利动漫,五十路熟妇亲子交尾

嘉興市吉拉特化工有限公司

Jiaxing Jlight Chemicals Co., Ltd.

??:

????:+86-13605839392
???:+86-15857374971
???:+86-15157377625

?? ??:????  ?? ?????  ?? ?????  ?? ?????? ??
Ethyl 4-oxotetrahydro-2H-pyran-3-carboxylate

[Product name]:

Ethyl 4-oxotetrahydro-2H-pyran-3-carboxylate

[Structural Formula]:

[Molecular Formula]:

C8H12O4

[Molecular Weight]:

172.18

[CAS NO]:

141419-94-5

[Packing]:

 

 

Properties

Appearance

Colorless liquid

Boiling range ℃(760 mmHg)

 

 

 

 

 

 

Quality Specifications

Purity%

≥97.0

Moisture %

  ≤0.5

 

 

嘉興市吉拉特化工有限公司

Jiaxing Jlight Chemicals Co., Ltd.

? ???  |   ????  |   ????  |   ????  |   ?????  |   ????

Copyright(C)2025, ??? ????? ?? All Rights Reserved Supported by  ChemNet ChinaChemNet Toocle