Cinchona pubescens, 5g Back Catalog number: B0093 Manufacturer: Extrasynthese Availability: In the manufacturer's stock Price on request - + Recommended 2515 S Progoitrin potassium salt, 10mg Price on request 4749 S trans-Cinnamic acid, 20mg Price on request 0436 Frangulin B, >95%, 10mg Price on request