Supplier Page from Thermo Fisher Scientific for Lithium borohydride, 4M (10 wt.%) solution in THF, AcroSeal®
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific