(3R,4R,5S)-4-Acetamido-5-amino-3-(1-ethylpropoxy)-1-cyclohex-ene-1-carboxylic acid 1-Cyclohexene-1-carboxylic acid, 4-(acetylamino)-5-amino-3-(1-ethylpropoxy)-, (3R,4R,5S)- 187227-45-8 204255-11-8 (MONOPHOSPATE SALT) AIDS-095377 AIDS095377 GS 4071 GS-4071 GS4071 Oseltamivir carboxylate