Supplier Page from Thermo Fisher Scientific for Lithium niobium isopropoxide, 99+% (metals basis), 5% w/v in isopropanol
Estrone, 99+% from Thermo Fisher Scientific
Hydroquinone, 99% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific
Maleic acid, 99% from Thermo Fisher Scientific