Supplier Page from Thermo Fisher Scientific for Oxalyl chloride, 2M soln. in dichloromethane
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific