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. Author manuscript; available in PMC: 2008 Nov 5.
Published in final edited form as: Tetrahedron. 2007 Nov 5;63(45):11030–11039. doi: 10.1016/j.tet.2007.08.041

Figure 7.

Figure 7

Influence of added zinc acetate (curve 2) followed by added conc. NH4OH (curve 3) on the UV-visible spectrum of 1 in CH3OH (curve 1) at ∼1 × 10-5 M concentration and 23°C.