112088-56-9 Active compound from Cephalodiscus gilchristi B712496K588 CEPHALOSTATIN 1 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''(3''H)-furan]-24'-one, 4,4',4'',4'a,5,5',5'',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'-triacontahydro-3,3'',13',13'b-tetrahydroxy-5''- (hydroxymethyl)-4',5,5,5'',11'a,13'a,14',22'a-octamethyl-, [3'R-[3'.alpha.(R*),4'.alpha.,4'a.beta.,6'b.alpha., 8'a.beta.,11'a.alpha.,11'b.beta.,13'.alpha.,13'a.alpha., 13'b.beta.,14'.beta.,15'.alpha.(3''R*,5''S*),16'a.beta., 17'b.alpha.,19'a.beta.,22'a.alpha.,22'b.beta.,24'aR*]]- NSC 364573 (formerly) NSC363979