| http://www.w3.org/ns/prov#value | - ected from hydroxy, halogen, cyano, amino, C1-4 mono- and dialkylamino, CONH2 or CONH???C1-4 alkyl, C1-4 alkyl and C1-4 alkoxy wherein the C1-4 alkyl and C1-4 alkoxy groups are optionally substituted by hydroxy, methoxy, or amino, but where R1 is 3-pyridyl, X is O, A is a bond and E is a bond the pyridyl has one or two substituents selected from halogen, cyano, amino, C1-4 mono- and dialkylamino,
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