Synonyms: | Dispiro[furan-2(3H),3'-[1H,3H,15H]furo[3'',2'':3',4']cyclopenta[1',2':5,6]naphth[1,2-b]oxireno[1',5']pyrano[3'',4'':2',3']cyclopenta[1',2':5,6]naphtho[1,2-i]phenazine-15',2''(3''H)-furan]-24'(6'bH)-one,4,4',4'',4'a,5,5',5'',5'a,7',8',8'a,9',11',11'a,11'b,12',13',13'a,13'b,14',16'a,17'b,18',19',19'a,20',22',22'a,22'b,23'-triacontahydro-3,3'',13',13'b,22'b-pentahydroxy-5''-(hydroxymethyl)-4',5,5,5'',11'a,13'a,14',22'a-octamethyl-,[3'R-[3'a(R*),4'ab,5'ab,6'aS*,6'ba,8'ab,11'aa,11'bb,13'a,13'aa,13'bb,14'b,15'a(3''R*,5''S*),16'ab,17'ba,19'ab,22'aa,22'bb,24'aR*]]-; Cephalostatin 4;Dispiro[furan-2(3H),3'-[1H,3H,15H]furo[3'',2'':3',4']cyclopenta[1',2':5,6]naphth[1,2-b]oxireno[1',5']pyrano[3'',4'':2',3']cyclopenta[1',2':5,6]naphtho[1,2-i]phenazine-15',2''(3''H)-furan]-24'(6'bH)-one,4,4',4'',4'a,5,5',5'',5'a,7',8',8'a,9',11',11'a,11'b,12',13',13'a,13'b,14',16'a,17'b,18',19',19'a,20',22',22'a,22'b,23'-triacontahydro-3,3'',13',13'b,22'b-pentahydroxy-5''-(hydroxymethyl)-4',5,5,5'',11'a,13'a,14',22'a-octamethyl-,(2R,2''S,3R,3''R,4'S,4'aR,5''S,5'aR,6'aS,6'bR,8'aS,11'aS,11'bS,13'R,13'aR,13'bS, |