4-(4-Hydroxyphenyl)-2-butanone, 1g Back Catalog number: 8825 Manufacturer: Extrasynthese Availability: In the manufacturer's stock Price on request - + Recommended 6088 Homovanillic acid, 1g Price on request B0405 Humulus lupulus, 5g Price on request 0511 5,7-Dihydroxy-4-methylcoumarin, 100mg Price on request