| http://www.w3.org/ns/prov#value | - Compounds such as B-2 and C-2 are versatile intermediates, which can be converted to a variety of novel compounds by methods known to those skilled in the art, including N- or O-alkylation and/or reduction by hydride reagents to yield for example, cyclic amines, which can be further modified, e.g., by N-alkylation or N-acylation.
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