| http://www.w3.org/ns/prov#value | - to 4 carbon atoms, carboxyl group, or an N, N- dialkylcarbamoyl group having 1 to 4 carbon atoms, R28 is an alkyl group having 1 to 8 carbon atoms or-A6-Qa, R29 is an alkyl group having 1 to 8 carbon atoms, an alkoxycarbonyl group having 1 to 4 carbon atoms, or-A6-Qa, R3?? is hydrogen atom or a lower alkyl group having 1 to 4 carbon atoms, or binds to R29 to form a 3-to 6- membered ring together w
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