Supplier Page from Thermo Fisher Scientific for 1,4,7,10-Tetraazacyclotridecane
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific