prov:value
| - -1-yl;if r is 1, R4 is lower alkyl, especially methyl, ethyl or ispropyl, hydroxy, aminocarbonyl, lower alkyl-carbonyl, especially methylcarbonyl, cyclohexyl, halo, especially chloro or fluoro, halo-lower alkyl, especially trifluoromethyl, lower alkoxy, especially methoxy, amino, lower alkyl-amino, especially methylamino, ethylamino, isopropylamino or tert-butylamino, di-lower alkyl-amino, especia
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