Research Article

Nucleosides 8 [18]: Ribosylation of Fused Quinazolines—Synthesis of New [1,2,4]Triazolo[5,1-b]- and [1,2,4]Triazino[3,2-b]quinazoline Nucleosides of Fluorescence Interest

Figure 2

The fluorescence emission spectra of (a) samples: 2, 7, 15, 16, and 17, (b) samples: 5, 11, 19 and 20 (all samples are kept at 0.02 M).
612756.fig.002a
(a)
612756.fig.002b
(b)