JiuLi Street, BenNiu Town, XinBei District, ChangZhou City, JiangSu Province, CHINA
Sunlight makes good medicine with heart
| Types | Product Name | Cas No. | Structure |
|---|---|---|---|
| capping agent | Phenylethynylphthalic anhydride(4-PEPA) | 119389-05-8 |
 |
| capping agent | Aminophenylacetylene ( 3-APA) | 54060-30-9 |
 |