Supplier Page from Thermo Fisher Scientific for Yttrium rod, 6.35mm (0.25in) dia, 99.9% (metals basis excluding Ta)
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Fluoranthene, 98% from Thermo Fisher Scientific