Protocatechuic acid, 1g Back Catalog number: 6050 Manufacturer: Extrasynthese Availability: In the manufacturer's stock Price on request - + Recommended 1139 S Rutin, 50mg Price on request 6044 Dihydrosinapyl alcohol, 10mg Price on request 1175 7,8-Dimethoxyflavone, 10mg Price on request