.alpha.-Cortol 20.alpha.-Cortol 3.Alpha.,11.beta., 17,20.alpha.,21-Pentahydroxypregnane 5.Beta.-Pregnane-3.alpha., 11.beta.,17,20.alpha.,21-pentol 516-38-1 AIDS-125063 AIDS125063 Cortol NSC60459 Pregnane-3,11,17,20,21-pentol Pregnane-3,11,17,20,21-pentol, (3.alpha., 5.beta.,11.beta.,20S)-