Supplier Page from Thermo Fisher Scientific for 1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt monohydrate, 97%
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific