A Novel Prodrug Strategy Based on Reversibly Degradable Guanidine Imides for High Oral Bioavailability and Prolonged Pharmacokinetics of Broad-Spectrum Anti-influenza Agents oleh Yujeong Jung, Soo Bin Ahn, Taeyang An, Hyeon-Min Cha, Minjae Kim, Hyunjin Cheon, Yejin Jang, Haemi Lee, Byungil Kim, Meehyein Kim, Yan Lee