Supplier Page from Thermo Fisher Scientific for Hydroxypropyl methyl cellulose, M.N. 86,000, viscosity 4,000 cP (2% solution)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific