Supplier Page from Thermo Fisher Scientific for N-alpha-Benzoyl-DL-arginine-4-nitroanilide hydrochloride, 98%
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific