prov:value
| - yclo(lower)alkyl, cyclo(lower)alkyl-loweralkyl, aryl, aryl(lower)alkyl, a group of formula --(CH2)r --Y'--R8 where r is an integer of 1-4, Y' is O, S or NR5, where R5 is hydrogen or lower alkyl and R8 is hydrogen, lower alkyl or cycloloweralkyl Y represents O or NR3 where R3 is hydrogen or lower alkyl and B represents a saturated azabicyclic ring, or an N-oxide thereof, wherein the saturated azabi
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