Supplier Page from Thermo Fisher Scientific for (-)-Cotinine, 98%
2-Ethylaniline, 98% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific