References: |
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Rabinowitz, J.C. and Pricer, W.E. Formiminotetrahydrofolic acid and methenyltetrahydrofolic acid as intermediates in the formation of N10-formyltetrahydrofolic acid. J. Am. Chem. Soc. 78 (1956) 5702–5704. |
2. |
Rabinowitz, J.C. and Pricer, W.E. Formation, isolation and properties of 5-formiminotetrahydrofolic acid. Fed. Proc. 16 (1957) 236. |
3. |
Sagers, R.D., Beck, J.V., Gruber, W. and Gunsalus, I.C. A tetrahydrofolic acid linked formimino transfer enzyme. J. Am. Chem. Soc. 78 (1956) 694–695. |
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