Supplier Page from Thermo Fisher Scientific for 1-Boc-N-Fmoc-L-tryptophan, 97%
Emodin, 95%, tech from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific