4 4' 4'' 4'''-(pyrene-1 3 6 8-tetrayl)tetrabenzoic acid July 8, 2019 16 32 64 128 1 3 6 8-tetrakis(p-benzoic acid)pyrene 3 6-di(pyridin-4-yl)-1 2 4 5-tetrazine Pyrene-4 5 9 10-tetraone
