196618-13-0 204255-11-8 (PHOSPHATE SALT 1:1) AIDS-070972 AIDS070972 Ethyl (5S,3R,4R)-4-(acetylamino)-5-amino-3-(ethylpropoxy)cyclohex-1-enecarboxylate GS 4104 GS4104 Oseltamivir Ro-64-0796 Tamiflu (*Phosphate salt 1:1*)