免费播放片大片_亚洲欧美综合精美二区_好看的av在线不卡_国产无遮挡免费观看

PRODUCTS
3-Aminophenyl sulfone
Product name: 3-Aminophenyl sulfone
Molecular formula: C12H12N2O2S
CAS No: 599-61-1
Properties: White powder
Molecular structure:  
Assay:

≥99%

Melting point: 170℃以上
Drying loss: ≤0.5%
Packing: 25KG fiber drum
Uses: Resin intermediate above

BACK