76994-39-3 AIDS-031215 AIDS031215 Acnistin-E Cyclopenta[1,2]phenanthro[8a,9-b]oxiren-1(4H)-one, 5a,6,6a,6b,7,8,9,9a,10,11,11a,11b-dodecahydro-4,9-dihydroxy-9-[(1S,4R,5S)-4-hydroxy-4,5-dimethyl-3-oxo-2-oxabicyclo[3.2.1]oct-7-yl]-9a,11b-dimethyl-, (4S,4aR,5aR,6aS,6bS,9R,9aS,11aS,11bR)- NSC324043