Supplier Page from Thermo Fisher Scientific for 2,7-Dimethylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid, 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific