Howard University

Mia L Laws

Ralph R Roberts

Kenneth R Scott

Jesse M Nicholson

Phenothiazines of the formula: ##STR1## where R.sub.1 is H or --COOR, where R is selected from the group consisting of branched or unbranched alkyl groups containing from 1 to 4 carbon atoms, and where X is selected from H, branched or unbranched alkyl groups containing from 1 to 4 carbons, and halogen, and pharmaceutically acceptable salts thereof. Particularly preferred phenothiazines are those wherein X is hydrogen, chloro, bromo or methyl, R.sub.1 is COOR, and R is methyl, ethyl or t-butyl.

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Wilmington, DE, United States of America

Mia L Laws