3,3′-Bis[(4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-1,1′-bicyclopenta[b]indole-2,2′(4H,4′H)-dione

3,3′-Bis[(4-oxo-2,5-cyclohexadien-1-yliden)methyl]-1,1′-bicyclopenta[b]indol-2,2′(4H,4′H)-dion

3,3′-Bis[(4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-1,1′-bicyclopenta[b]indole-2,2′(4H,4′H)-dione

3,3′-Bis[(4-oxo-2,5-cyclohexadién-1-ylidène)méthyl]-1,1′-bicyclopenta[b]indole-2,2′(4H,4′H)-dione

[1,1′-Bicyclopent[b]indole]-2,2′(4H,4′H)-dione, 3,3′-bis[(4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-

(1,1′-Bicyclopent(b)indole)-2,2′(3H,3′H)-dione, 3,3′-bis((4-hydroxyphenyl)methylene)-

(1,1′-Bicyclopent(b)indole)-2,2′(3H,3′H)-dione, 3,3′-bis((4hydroxyphenyl)methylene)-3,3′-Bis((4-hydroxyphenyl)methylene)-(1,1′-bicyclopent(b)indole)-2,2′(3H,3′H)-dione

1-{2-OXO-3-[(4-OXOCYCLOHEXA-2,5-DIEN-1-YLIDENE)METHYL]-2H,4H-CYCLOPENTA[B]INDOL-1-YL}-3-[(4-OXOCYCLOHEXA-2,5-DIEN-1-YLIDENE)METHYL]-2H,4H-CYCLOPENTA[B]INDOL-2-ONE

3,3′-Bis((4-hydroxyphenyl)methylene)-(1,1′-bicyclopent(b)indole)-2,2′(3H,3′H)-dione

[1,1′-Bicyclopent[b]indole]-2,2′(3H,3′H)-dione,3,3′-bis[(4-hydroxyphenyl)methylene]-

Scytonemin

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