Fig. 6. Chemical structures of complexes 8–11, and in vivo PDT study of 9 using 1P or 2P. (Left: tumor growth inhibition curves upon treatment; right: representative photographs of the tumor after different treatments on day 17. *p < 0.05, **p < 0.01) reproduced with permission from ref. 24. Copyright 2021 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
