Protocatechuic acid, 1g Back Catalog number: 6050 Manufacturer: Extrasynthese Availability: In the manufacturer's stock Price on request - + Recommended CFN99559 Procyanidin B3, >98%, 10mg Price on request 1132 S Neohesperidin, 10mg Price on request 6010 S beta-Asarone, 100mg Price on request