Supplier Page from Thermo Fisher Scientific for Aluminum foil, 0.1mm (0.004in) thick, Puratronic:r, 99.997% (metals basis)
Estrone, 99+% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific