3-羟基-1H,3H-萘并[1,8-cd]吡喃-1-酮

酸性紫9

(1E)-N-acenaphthyleno[2,1-b]quinoxalin-7-ium-7-ylethanimidate

6,7-Dinitro-benzo[de]isochromene-1,3-dione

4-硝基-1,8-萘二甲酸