... A. H. BECKETT, N. J. HARPER AND JW CLITHEROW~ From the School of Pharmacy, Chelsea CoIlege of ... CONFIGURATIONS OF a- AND p-METHYLCHOLINE 176-178" for (+)-1- dimethylaminopropan-2-01 methiodide ... 0-6 g.), mp 298-5-299.5" (decomp.), [a]'2d5 $- 4-15" (c ...