Supplier Page from Thermo Fisher Scientific for D(-)-Penicillamine, 99%, specified according to Ph.Eur. and USP
2-Ethylaniline, 98% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific