Table 3. Lifetime Fluorescence Spectral Details Feature Compounds 3a and 3h.

Analogs	a1	a2	a3	τ1	τ2	τ3	⟨t⟩	χ2
3a	0.10	0.02	0.88	1.26	7.46	0.18	0.43	1.08
3a–DNA	0.13	0.03	0.84	1.38	7.23	0.29	0.64	1.13
3h	0.1	0.01	0.89	0.90	6.60	0.12	0.25	1.13
3h–DNA	0.14	0.01	0.85	1.0	6.73	0.21	0.39	1.04