Supplier Page from Thermo Fisher Scientific for cis-5-Norbornene-exo-2,3-dicarboxylic anhydride, 95%
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific