| http://www.w3.org/ns/prov#value | - t hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms, or-A6-Qa, R3 is a lower alkyl group having 1 to 4 carbon atoms, R6 has the same meaning as R6, or binds to R6 to form a 3-to 6-membered ring together with the nitrogen atom to which they bind to form a saturated nitrogen-containing cycloalkyl group or morpholino group, p in Rc is an integer of 2 to 4, A4 is a single bond or methylene
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