.alpha.-Chlorosantonin 28136-94-9 Eudesma-1,4-dien-12-oic acid, 2-chloro-6.alpha.-hydroxy-3-oxo-, .gamma.-lactone, (11S)- NSC125344 Naphtho[1,2-b]furan-2,8(3H)-dione, 7-chloro-3a,4,5,9b-tetrahydro-3,5a,9-trimethyl-, [3S-(3.alpha.,3a.alpha.,5a.beta.,9b.beta.)]-