| http://www.w3.org/ns/prov#value | - h as dimethylamino; aryls of six carbons and arylalkyls of up to about 9 carbons such as phenyls or benzyls and the like, subject to the limitation that such aryls are pendant from and not fused to the pyridine ring and aryloxies or arylalkyloxies of up to about 9 carbons such as phenyloxy or benzyloxy structures; and a linking group including a covalent bond and a bridge group providing a link to
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