Synonyms: 2H-Bispyrano[2',3':5,6]pyrano[3,2-b:2',3'-e]pyran,maitotoxin deriv.; 2H-Pyrano[2'''',3'''':5''',6''']pyrano[2''',3''':6'',7'']oxepino[2'',3'':5',6']pyrano[2',3':5,6]pyrano[3,2-b]pyrano[2''',3''':5'',6'']pyrano[2'',3'':5',6']pyrano[2',3':5,6]pyrano[2,3-g]oxocin,maitotoxin deriv.;2H-Pyrano[3,2-b]pyrano[2''',3''':5'',6'']pyrano[2'',3'':5',6']pyrano[2',3':5,6]pyrano[2,3-f]oxepin,maitotoxin deriv.;Bispyrano[2'',3'':5',6']pyrano[2',3':5,6]pyrano[3,2-b:2',3'-f]oxepin,maitotoxin deriv.; Pyrano[3,2-b]pyran, maitotoxin deriv.; Maitotoxin 1