| prov:value
| - methylamino and Z is methylmethylene.In addition, compounds I are preferred in which R is hydrogen or methyl.In addition, compounds I are preferred in which A is hydrogen, cyclopropyl, C.sub.1 -C.sub.3 -alkyl or C.sub.1 -C.sub.2 -haloalkyl, in particular hydrogen, cyclopropyl, methyl, ethyl, isopropyl or trifluoromethyl.Additionally, compounds I are preferred in which B is unsubstituted or substit
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