Supplier Page from Thermo Fisher Scientific for 2-Cyclopentene-1-acetic acid, tech. 90%, remainder mainly 3-cyclopentene-1-acetic acid
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific