Supplier Page from Thermo Fisher Scientific for 1-Heptanesulfonic acid, sodium salt, 98%
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific