anthracene-1,5-diamine

3-[[9,10-dioxo-5-(4-oxobutan-2-ylamino)anthracen-1-yl]amino]butanal

还原紫 13

5-amino-9,10-dioxoanthracene-1-carboxylic acid

1,2,4,5,6,8-六羟基蒽-9,10-二酮