Supplier Page from Thermo Fisher Scientific for Aluminum slug, 1.98mm (0.078in) dia x 8.0mm (0.315in) length, 99.99% (metals basis)
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific