Supplier Page from Thermo Fisher Scientific for N,N'-Bis(3-aminopropyl)-1,3-propanediamine, 97%
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific