Summary
A pterin obtained from the larvae ofBombyx mori just after hatching is very similar to ichthyopterin, but not quite identical. It may be a derivative substituted at the position 6 of isoxanthopterin, but without carboxyl group.
ReferencesReferences
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Hirata, Y., Nawa, S., Matsuura, S. et al. Synthèses des ptérines et une remarque sur la constitution d'une ptérine deBombyx mori. Experientia 8, 339–341 (1952). https://doi.org/10.1007/BF02174407
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DOI: https://doi.org/10.1007/BF02174407