Synonyms: Dispiro[2H-pyran-2,2'(13'H)-bisfuro[3'',2'':3',4']cyclopenta[1',2':5,6]naphtho[1,2-b:1',2'-i]phenazine-13',2''-[2H]pyran]-5,5',5'',11',11'b,22',22'b-heptol,1',3,3'',3'a,4,4'',4'b,5,5',5'',6,6',6'',6'a,7',9',9'a,9'b,10',11',11'a,12',14'a,15'b,16',17',17'a,18',20',20'a,20'b,21',22',22'a-tetratriacontahydro-1',5,5'',9'a,11'a,12',20'a,22'a-octamethyl-,[1'S-[1'a,2'a(R*),3'aa,4'bb,5'b,6'aa,9'ab,9'ba,11'b,11'ab,11'ba,12'a,13'a(R*),14'aa,15'bb,17'aa,20'ab,20'ba,22'b,22'ab,22'ba]]-; (+)-Ritterazine J; Ritterazine J;Dispiro[2H-pyran-2,2'(13'H)-bisfuro[3'',2'':3',4']cyclopenta[1',2':5,6]naphtho[1,2-b:1',2'-i]phenazine-13',2''-[2H]pyran]-5,5',5'',11',11'b,22',22'b-heptol,1',3,3'',3'a,4,4'',4'b,5,5',5'',6,6',6'',6'a,7',9',9'a,9'b,10',11',11'a,12',14'a,15'b,16',17',17'a,18',20',20'a,20'b,21',22',22'a-tetratriacontahydro-1',5,5'',9'a,11'a,12',20'a,22'a-octamethyl-,(1'S,2R,2''R,3'aS,4'bR,5S,5'S,5''S,6'aR,9'aS,9'bS,11'R,11'aR,11'bS,12'S,14'aS,15'bR,17'aS,20'aS,20'bS,22'R,22'aR,22'bR)-(9CI)