Supplier Page from Thermo Fisher Scientific for N-[3-(Trimethoxysilyl)propyl]-N,N,N-trimethylammonium chloride, 50% in methanol
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific