Cyclohexadiene derivatives of the formula ##STR1## wherein R.sup.1,R.sup.2,R.sup.3 and R.sup.4 are as hereinafter set forth, are described. The compounds of formula I are useful as analgesic agents.
描述了公式为##
STR1##的环
己二烯衍
生物,其中R.sup.1,R.sup.2,R.sup.3和R.sup.4如下所述。公式I的化合物可用作镇痛剂。