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Figure 1 Monomeric fragment in the crystal structure of (I) with displacement ellipsoids drawn at the 50% probability level. Disordered positions of the water molecules (O15 and O16) and H-atoms not participating in hydrogen bonds are omitted for clarity. Symmetry code: i=1-x, 1-y, −z; ii=1-x, 1-y, −1-z. |