Supplier Page from Thermo Fisher Scientific for 3-Methyl-1H-pyrazole-5-carboxylic acid, 97%
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific