Supplier Page from Thermo Fisher Scientific for 2-Cyclopentene-1-acetic acid, tech. 90%, remainder mainly 3-cyclopentene-1-acetic acid
2-Ethylaniline, 98% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Dotriacontane, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific