title: Norfloxacin dihydrate.
abstract: The antibiotic norfloxacin recrystallizes from acetonitrile as a dihydrate with the norfloxacin molecule in a zwitterionic form, i.e. 1-ethyl-6-fluoro-1, 4-dihydro-4-oxo-7-(1-piperazin-4-io)-3-quinolinecarboxylate dihydrate, C(16)H(18)FN(3)O(3).2H(2)O.
authors.affiliation: Department of Pharmaceutical Sciences, Strathclyde Institute for Biomedical Sciences, University of Strathclyde, 27 Taylor Street, Glasgow G4 0NR, Scotland. alastair.florence@strath.ac.uk
authors.forename: A J
authors.initials: AJ
authors.lastname: Florence
authors.forename: A R
authors.initials: AR
authors.lastname: Kennedy
authors.forename: N
authors.initials: N
authors.lastname: Shankland
authors.forename: E
authors.initials: E
authors.lastname: Wright
authors.forename: A
authors.initials: A
authors.lastname: Al-Rubayi