Supplier Page from Thermo Fisher Scientific for (R)-alpha-Propargylglycine, 98%, 98% ee
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific