1332945 Amphenicols SUMITOMO CHEMICAL CO Ltd 21 June 1971 [23 June 1970] 29060/71 Heading C2C Compounds (III) (where X is halogen and Y is NO 2 or MeSO 2 ) are prepared by reacting a compound (I) with a compound (II) preferably in a polar solvent. Compounds (III) are water soluble bacterials.