Supplier Page from Thermo Fisher Scientific for 1-Bromo-3,4,5-trimethoxybenzene, 97%
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific