(2-amino-5-nitrophenyl)arsonic acid

5-羟基-4H-萘并[2,3-f]喹啉-6,7,12-三酮

1,2,4,5,6,8-六羟基蒽-9,10-二酮

1,2,4,5,7,8-hexahydroxyanthracene-9,10-dione

(4-ethoxycarbonylamino-2-hydroxy-phenyl)-arsonic acid