Crawley G C, Briggs M T, Dowell R I, Edwards P N, Hamilton P M, Kingston J F, Oldham K, Waterson D, Whalley D P
Chemistry 1 Department, ICI Pharmaceuticals, Mereside, Macclesfield, Cheshire, UK.
J Med Chem. 1993 Jan 22;36(2):295-6. doi: 10.1021/jm00054a016.