Supplier Page from Thermo Fisher Scientific for Praseodymium rod, 6.35mm (0.25in) dia, 98.5% (metals basis excluding Ta)
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific