Supplier Page from Thermo Fisher Scientific for Glassy carbon rod, 4mm (0.16in) dia, type 1
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific