Comparisons between GB6 J2113+1121 and 4LAC blazars (Ajello et al. 2020), in which the known neutrino-emitting blazar candidates are highlighted. The energy ranges corresponding to the energy flux and the photon flux are between 100 MeV and 100 GeV. In the right panel, the 4LAC values of the candidates are colored in yellow; meanwhile, values corresponding to the flares temporally coincident with the arrival of neutrinos (Kadler et al. 2016; IceCube Collaboration et al. 2018a; Garrappa et al. 2019b; Franckowiak et al. 2020) are plotted in blue. For PKS B1424-418, no available spectral information in the high-flux state is found.