Fig. 1.
HPLC analysis of 1.
Area % purity: 96.8%.
Conditions: column: Phenomenex Kinetex 5 μm XB-C18 100 Å 250 × 4.60 mm column, solvents: 85:15 MeOH:0.05M NH4HCO3 in water, UV: 254 nm, flow rate: 0.5 mL/min.
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