Supplier Page from Thermo Fisher Scientific for Yttrium(III) oxide, REacton:r, 99.9% (REO)
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific