Supplier Page from Thermo Fisher Scientific for Methyl Red, 0.1% w/v solution in ethanol
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific