α-naphthol
1-naphthol-2-sulfonic acid
1-hydroxy-4-naphthalenesulfonate
1-Naphthol sulfate
5a,12a-epoxy-2,9-diphenyl-(5ac,12ac)-5a,6,12a,13-tetrahydro-5H,12H-5r,13c;6c,12c-dietheno-[1,2,4]triazolo[1,2-a][1,2,4]triazolo[1',2':1,2]pyridazino[4,5-d]pyridazine-1,3,8,10-tetraone