Supplier Page from Thermo Fisher Scientific for 1-(4-Hydroxyphenyl)-5-mercaptotetrazole, 96%
4-Fluorobenzyl chloride, 98% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific