Fig. 10From: Development of effective anti-influenza drugs: congeners and conjugates – a reviewStrategies for synthesis of oseltamivir (OS, 5), tamiphosphor (TP, 22), tamiphosphor monoethyl ester (TP1Et, 23), guanidino tamiphosphor (TPG, 24) and guanidino tamiphosphor monoethyl ester (TPG1Et, 25)Back to article page