prov:value
| - C7 -C8 bicycloalkylene, unsubstituted or C1 -C4 alkyl-substituted phenylene, ##STR74## R28 is hydroxy ##EQU4## C1 -C18 alkoxy or ##STR75## R29 is oxygen, --NH-- or ##STR76## R30 is C1 -C18 alkyl or phenyl, R31 is hydrogen or C1 -C18 alkyl, M is an r-valent metal cation, X is a direct bond, oxygen, sulfur or --NR31 --, n is 1 or 2, p is 0, 1 or 2, q is 1, 2, 3, 4, 5 or 6, r is 1, 2 or 3, and s is 0
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