Supplier Page from Thermo Fisher Scientific for Ethyl 3-aminocrotonate, 98.5%
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific