Supplier Page from Thermo Fisher Scientific for 3,3'-Diaminobenzidine tetrahydrochloride hydrate, 97%, contains up to 10% water
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Fluoranthene, 98% from Thermo Fisher Scientific