(8,8'-Bi-1H-naphtho[2,3-c]pyran)-3,3'-diacetic acid, 3,3',4,4'-tetrahydro-9,9',10,10'-tetrahydroxy-7,7'-dimethoxy-1,1'-dioxo-, dimethyl ester 39277-41-3 NSC159628 SC 28762 Spiro[2-cyclohexene-1,2'(1'H)-cyclopenta[de]naphthacene]-9'-carboxamide, 7',7'a,8',11',11'a,12'-hexahydro-5',6',7'a,10',11'a,12'-hexahydroxy-3'-methoxy-2,6,6-trimethyl-7',8'-dioxo-, (2'.alpha.,7'a.beta.,11'a.beta.,12'.beta.)-(-)- VIRIDICATUMTOXIN VIRIDITOXIN (FORMERLY) Viriditoxin