sigmaaldrich
10G
![2-羟基苯并[a]咔唑-3-羧酸 钠盐](https://resources.chemdig.com/resources/cas/352523-30-9.gif)
500MG
5G
![3,3,3-三氟-3-[(2-四氢噻吩基)甲基]丙酸](https://resources.chemdig.com/resources/cas/480438-83-3.gif)
50ML
