Supplier Page from Thermo Fisher Scientific for Sodium chloride crystal optic disc, 32mm x 3mm, polished both sides
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific