Supplier Page from Thermo Fisher Scientific for 2,3-O-Isopropylidene-D-glyceraldehyde, 50% w/w in dichloromethane
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific