Sildenafil citrate, 100mg Back Catalog number: 681151 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2638.29-1UG 17 alpha(H),21ß(H)-25-Norhopane, 1µg Price on request 1988.3-KIT-N Phenyltin chlorides Kit (neat, 1987.6, 1986.12, 1985.18), , Solvent-, Unit Kit, # of units-, Cas.no. Price on request 70188 1-Fluoronaphthalene Price on request