. . . "Viridicatumtoxin B" . . . "(1S,7aS,11aR)-5',6',7a',10',11a'-Pentahydroxy-3'-methoxy-2,6,6-trimethyl-7',8',12'-trioxo-7',7a',8',11',11a',12'-hexahydro-1'H-spiro[cyclohex-2-ene-1,2'-cyclopenta[de]tetracene]-9'-carboxamide" . . . . . . . . . "viridicatumtoxin B" . . . "Viridicatumtoxin B" . .