| http://www.w3.org/ns/prov#value | - or unsubstituted C2-C50 heterocyclic group including O, N or S as a heteroelement; a substituted amino group; a nitrile group; a nitro group; a halogen group; and an amine group, n is an integer of 0 to 5, O is an integer of 0 to 10, and in the case where O is 2 or more, R2s may be the same as or different from each other, and in the case where l, m or p is 2 or more, Ar, Ar???, or R1 may be the s
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