Supplier Page from Thermo Fisher Scientific for 1,10-Diaza-18-crown-6, 96%
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific