Supplier Page from Thermo Fisher Scientific for (R)-(+)-2-Pyrrolidinone-5-carboxylic acid, 98+%
Ethyl picolinate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
Glutaryl dichloride, 97% from Thermo Fisher Scientific