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. 2015 Jan 6;17(2):302–305. doi: 10.1021/ol503398f

Table 3. Optical Properties of 8, 13, and ICG.

compd λabs (nm) λem (nm) ε (M–1 cm–1) Φf
ICG 785 822 204 000 0.078
8a 774 797 187 000 0.22
13a 774 798 214 000 0.23
a

Measured in methanol relative to ICG.