AIDS-097227 AIDS097227 [S-(R*,R*)]-2-[2-[[[S-(R*,S*)]-1-[1-[(1,1-Dimethylethoxy)carbonyl]-pyrrolidinyl], 2-hydroxy-ethyl]amino]-hydroxyethyl]-1-pyrrolidine-carboxylic acid, (1,1-dimethylethyl) ester