Supplier Page from Thermo Fisher Scientific for Potassium hydrogen sulfate, fused, ACS, mixture of potassium pyrosulfate, K{2}S{2}O{7}, and potassium bisulfate, KHSO{4}
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific