1 9-diphenyl nona-1 3 6 8-tetraen-5-one July 8, 2019 16 32 64 128 1 9-diphenyl-1 3 5 7-nonatetraene 9 10-diphenylanthracene 3 6-diphenyl-1 2 4 5-tetrazine 1 9-diphenyl-1 3 6 8-nonatetraen-5-one
