Supplier Page from Thermo Fisher Scientific for Potassium isopropoxide, 99% (metals basis), 5% w/v in isopropanol
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific