AIDS-224383 AIDS224383 Cyclopenta[4,5]cyclooct[1,2-e]indene-8-carboxaldehyde, 1,2,2a,3,4,5,5a,5b,6,8a,9,10,11,11a,12,12a-hexadecahydro-9-hydroxy-2a,11,12a-trimethyl-5-(1-methylethenyl)-, (2aS,5S,5aS,5bS,8aR,9R,11S,11aS,12aR)- Emericolin A