Supplier Page from Thermo Fisher Scientific for Thulium(III) chloride hydrate, REacton:r, 99.99% (REO)
9-Fluorenone, 99+% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific