Supplier Page from Thermo Fisher Scientific for Praseodymium rod, 6.35mm (0.25in) dia, 98.5% (metals basis excluding Ta)
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific