Supplier Page from Thermo Fisher Scientific for Quartz disc, fused, 50.8mm (2.0in) dia x 1.59mm (0.06in) thick
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific