Indigoidine

(3E)-5-Amino-3-(5-amino-2,6-dioxo-1,6-dihydro-3(2H)-pyridinyliden)-2,6(1H,3H)-pyridindion

(3E)-5-Amino-3-(5-amino-2,6-dioxo-1,6-dihydro-3(2H)-pyridinylidene)-2,6(1H,3H)-pyridinedione

(3E)-5-Amino-3-(5-amino-2,6-dioxo-1,6-dihydro-3(2H)-pyridinylidène)-2,6(1H,3H)-pyridinedione

2,6(1H,3H)-Pyridinedione, 5-amino-3-(5-amino-1,6-dihydro-2,6-dioxo-3(2H)-pyridinylidene)-, (3E)-

Indigoidine

(3E)-5-amino-3-(5-amino-2,6-dioxo-1,6-dihydropyridin-3(2H)-ylidene)pyridine-2,6(1H,3H)-dione

2435-59-8

5,5′-diamino-4,4′-dihydroxy-3,3′-diazadiphenoquinone-(2,2′)