Supplier Page from Thermo Fisher Scientific for Chromium crystallite pieces, 2-15mm (0.08-0.59in), 99.996% (metals basis)
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific