Supplier Page from Thermo Fisher Scientific for Perrhenic(VII)acid, 99.99%, (trace metal basis), 76.5% solution in water
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific