| http://www.w3.org/ns/prov#value | - Z represents ???O???, ???NH???, ???S??? or ???CH2???; m is an integer from 1 to 5; R1 represents hydrogen, hydroxy, halogeno, nitro, cyano, trifluoromethyl, C1-3alkyl, C1-3alkoxy, C1-3alkylthio or NR6R7, wherein R6 and R7, which may be the same or different, each represents hydrogen or C1-3alkyl; R2 represents hydrogen, hydroxy, fluoro, chloro, methoxy, amino or nitro; R3 represents hydroxy, halog
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