Supplier Page from Thermo Fisher Scientific for Tin(IV) isopropoxide, 98% (metals basis), 10% w/v in isopropanol/toluene
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
8-Hydroxyquinoline, ACS reagent from Thermo Fisher Scientific
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific