8,11a-Methano-11aH-cyclohepta[a]naphthalene-3,4,9-triol, tetradecahydro-4,11b-dimethyl-9-[[(phenylmethyl)thio]methyl]-, (3R,4S,4aR,6aS,8R,9R,11bS)- AIDS-123370 AIDS123370