Effect of the C(3)-substituent in verdazyl radicals on their profluorescent behavior - Eusterwiemann, Steffen; Matuschek, David; Stegemann, Linda; Klabunde, Sina; Doerenkamp, Carsten C.; Daniliuc, Constantin G.; Doltsinis, Nikos L.; Strassert, Cristian A.; Eckert, Hellmut; Studer, Armido (Chimia, 2016)