DETAILED DESCRIPTION What is claimed is: 1. A compound of the formulae: ##STR22## wherein Y, T, W and X may each be H or F; provided that at least one of Y, T, W and X is F; V may be hydrogen, hydroxy, acyloxy, lower alkoxy, hydroxy lower alkyl, or oxo; Z may be --Z. sub. 1 --E wherein: Z. sub. 1 is (CH. sub. 2). sub. g --CH. sub. 2 --CH. sub. 2 --, or --(CH. sub. 2). sub. g --O--CH. sub. 2 --, or --(CH. sub. 2). sub. g --CH. sub. 2 --CF. sub. 2 --, or trans-(CH. sub. 2). sub. g --CH. dbd. CH--; wherein g is 0, 1 or 2; and E is --COOX. sub. 1, wherein X. sub. 1 is hydrogen, alkyl, cycloalkyl, aralkyl, phenyl, phenyl substituted with chloro or alkyl, an alkali metal or an ammonium cation; or --CH. sub. 2 OH; or ##STR23## --CH. sub. 2 NL. sub. 2 L. sub. 3, wherein L. sub. 2 or L. sub. 3 are hydrogen, alkyl or --COOX. sub. 1 wherein X. sub. 1 is as defined above; --COL. sub. 4, wherein L. sub. 4 is, (a) amino of the formula --NR. sub. 21 R. sub. 22, wherein R. sub. 21 and R. sub. 22 are hydrogen, alkyl of 1 to 12 carbon atoms inclusive, aralkyl of 7 to 12 carbon atoms inclusive, phenyl, phenyl substituted with 1, 2 or 3 chloro or alkyl substituents of 1 to 3 carbon atoms inclusive, or phenyl substituted with hydroxy carbonyl or alkoxy carbonyl of 1 to 4 carbon atoms inclusive; or (b) carbonylamino of the formula, --NR. sub. 23 COR. sub. 21, wherein R. sub. 23 is hydrogen or alkyl of 1 to 4 carbon atoms and R. sub. 21 is as defined above; or (c) sulfonylamino of the formula --NR. sub. 23 SO. sub. 2 R. sub. 21, wherein R. sub. 21 and R. sub. 23 are as defined above; or --COOL. sub. 5, wherein L. sub. 5 is p-substituted phenyl selected from the group consisting of: ##STR24## wherein R. sub. 24 is methyl, phenyl, acetamidophenyl, benzamidophenyl, or --NH. sub. 2 ; R. sub. 25 is methyl, phenyl, --NH. sub. 2, or methoxy; and R. sub. 26 is hydrogen or acetamido; and L is ##STR25## wherein n is 1 or 2; and A is trans--CH. dbd. CH--, or cis--CH. dbd. CH--, or --CH. sub. 2 --CH. sub. 2 --, or --C. tbd. C--, or trans--CH. dbd. C(Halogen)--; and ##STR26## wherein R. sub. 3 and R. sub. 4 may be H, OH, alkoxy, acyloxy, or fluoro with the proviso that one of R
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