• 2,6-dihydroxybenzoic acid cas: 303-07-12021-11-24
• 2,2,3,3-tetrafluoropropyl 4-toluenesulfonate cas no. 786-31-22021-11-24
• 2,2,2-trifluoroethyl methacrylate cas 352-87-42021-11-24
• 2,6-dimethylbenzoic acid cas no. 632-46-22021-11-24