Supplier Page from Thermo Fisher Scientific for Ammonium hydroxide, ACS reagent, 28-30% solution in water
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
9-Fluorenone, 99+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific