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. Author manuscript; available in PMC: 2024 Jan 16.
Published in final edited form as: J Med Chem. 1998 Jun 18;41(13):2201–2206. doi: 10.1021/jm980183o

Figure 1.

Figure 1.

Structures of pyridoxal-5′-phosphate (1a) and its azo derivatives (1b, 1c) and the cyclic pyridoxine-α4,5-monophosphate derivatives (2, MRS 2219 and 3, MRS 2220) described in the present study.