Supplier Page from Thermo Fisher Scientific for 1-Acetylisatin, 97%
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific