Supplier Page from Thermo Fisher Scientific for Phthalic acid, 99%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific