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Two conformers are present in the asymmetric unit cell of the title compound, C9H12NO6P. Their conformations differ by rotation around the P-O-C ester bonds. In each conformer, the phosphate and the asymmetric C atom of the tyrosine moiety lie on opposite sides of the phenyl ring plane. Both the phosphate and the amino groups are charged. Molecules are held together by a hydrogen-bond network involving the phosphate, amino and carboxyl groups.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, TOZ

CCDC reference: 129768

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