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Lewis structures of benzo[1,2 d;4,5 d′]bis[1,3]dithioles 1, “S4-DBD” dyes 2, thioketal containing conjugated polymers 3, spin label 4● and 1,2,4,5-tetrakis(tert-butylthio)benzene 5. For the sake of clarity, the benzo[1,2-d;4,5-d′]bis[1,3]dithiole motif is highlighted in blue.
