Supplier Page from Thermo Fisher Scientific for 3-Nitro-µa-toluenesulfonyl chloride, 95%
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific