Syringic acid, 20mg Back Catalog number: 6011 S Manufacturer: Extrasynthese Availability: In the manufacturer's stock Price on request - + Recommended 1304 S Wogonin, 10mg Price on request 1120 S-50MG Isorhamnetin, >99%, 50mg Price on request 0983 Procyanidin B1, 5mg Price on request