164991-70-2

Dispiro[furan-2(3H),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'',11',11'b,16',22'(12'H)-pentol,1',3'',3'a,4,4'',4'b,5,5',5'',6',6'',6'a,7',9',9'a,9'b,10',11',11'a,14'a,15'b,16',17',17'a,18',20'