Supplier Page from Thermo Fisher Scientific for Tungsten foil, 1.0mm (0.04in) thick, 99.95% (metals basis)
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific