4-Hydroxy-6′-oxo-2′,5′,6′,7′,8′,9′-hexahydro-3′H-spiro[cyclohexa-2,5-diene-1,10′-pyrrolo[4,3,2-de][1,7]phenanthrolin[1]ium]

4-Hydroxy-6′-oxo-2′,5′,6′,7′,8′,9′-hexahydro-3′H-spiro[cyclohexa-2,5-diene-1,10′-pyrrolo[4,3,2-de][1,7]phenanthrolin[1]ium]

Spiro[cyclohexa-2,5-diene-1,10′(6′H)-pyrrolo[4,3,2-de][1,7]phenanthrolin]-6′-one, 2′,3′,5′,7′,8′,9′-hexahydro-4-hydroxy-, conjugate monoacid

2,4-Debromo-3-dihydro-discorhabdin C