Supplier Page from Thermo Fisher Scientific for Methyl 5-methyl[1H]pyrazole-3-carboxylate, 96%
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific