Birch, Stewart, Kolasch & Birch
Psychotropic .gamma.-(heterocyclic substituted) butyrophenones
 Butyrophenone compounds having excellent psychotropic activity and represented by the formula: ##STR1## wherein Z is defined hereinbelow. 
Sumitomo Chemical Company, Limited
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Kikuo Keiichi Hisao
Sasajima Ono Yamamoto