夜夜操天天干_欧美无遮挡国产欧美另类_快手免费下载2023_久久天天躁狠狠躁狠狠躁

Product recommendation

Products

HENGDA BIOTECHNOLOGY

4-Nitrobenzaldehyde

Appearance : White or pale yellow prism crystal
Structural formula:
Content: ≥99.0%
Moisture: ≤0.5%
Melting point: 102-107℃
Uses: Pharmaceuticals, dyes and pesticide intermediates

Copyright(C)2017, Changzhou Hengda Biotechnology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice

 
點擊這里給我發(fā)消息
在線QQ