Lukinavicius, G.; Reymond, L.; Umezawa, K.; Sallin, O.; D'Este, E.; Göttfert, F.; Ta, H.; Hell, S. W.; Urano, Y.; Johnsson, K.: Fluorogenic probes for multicolor imaging in living cells. Journal of the American Chemical Society 138 (30), pp. 9365 - 9368 (2016)