Supplier Page from Thermo Fisher Scientific for 1-Pentanesulfonic acid, sodium salt monohydrate, 98+%, HPLC grade
2-Ethylaniline, 98% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Furfuryl alcohol, 98% from Thermo Fisher Scientific