Synonyms: Dispiro[furan-2(3H),3'-[1H,3H]furo[3'',2'':3',4']cyclopenta[1',2':5,6]naphtho[1,2-b]pyrano[3'',4'':2',3']cyclopenta[1',2':5,6]naphtho[1,2-i]phenazine-15'(24'H),2''-[2H]pyran]-24'-one,3'',4,4',4'',4'a,5,5',5'',6'',6'b,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'-dotriacontahydro-3,5'',13',13'b,22'b-pentahydroxy-4',5,5,5'',11'a,13'a,14',22'a-octamethyl-,[3'R-[3'a(R*),4'a,4'ab,6'ba,8'ab,11'aa,11'bb,13'a,13'aa,13'bb,14'b,15'a(S*),16'ab,17'ba,19'ab,22'aa,22'bb,24'aR*]]-; (+)-Cephalostatin 16;Cephalostatin 16