Protocatechuic acid, 1g Back Catalog number: 6050 Manufacturer: Extrasynthese Availability: In the manufacturer's stock Price on request - + Recommended 2073 3,4-Dihydroxyphenylacetic acid, 1g Price on request B0031 Foeniculum vulgare, 5g Price on request B0059 Desmodium adscendens, 5g Price on request