Inventors:
Stephen B. Ruddy - Schwenksville PA
Mary E. Roberts - Downingtown PA
Gregory L. McIntire - West Chester PA
Eugene R. Cooper - Berwyn PA
Kimberly G. Estep - Pottstown PA
Assignee:
Sterling Winthrop Inc. - New York NY
International Classification:
A61K 4904, A61K 3122
Abstract:
Disclosed are x-ray contrast compositions of the formula ##STR1## wherein X is ##STR2## or --SO. sub. 2 --; Z is H, halo, methyl, ethyl, n-propyl, C. sub. 4 -C. sub. 20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;
R is C. sub. 1 -C. sub. 25 alkyl, cycloalkyl or aryl each of which may be optionally substituted with halo, fluoro-lower-alkyl, lower-alkoxy, hydroxy, carboxy or lower-alkoxy carbonyl; lower-alkenyl, lower-alkynyl, lower-alkylene or lower-alkoxy-carbonyloxy;
n is 1-5;
y is 0-4; and
w is 1-4;
in combination with a pharmaceutically acceptable clay; and method for their use in diagnostic radiology of the gastrointestinal tract.