unclassified drug 12 allyl compound 10 article 10 priority journal 8 chemical bond 6 drug synthesis 6 nonhuman 6 Acridone 4 Acridones 4 Allyl Compounds 4 Antiviral 4 Antiviral Agents 4 RNA synthesis 4 RNA, Viral 4 Virus Replication 4 acridone derivative 4 animal cell 4 antiviral activity 4 controlled study 4 drug structure 4 guanosine 4 proton nuclear magnetic resonance 4 pyranoside 4 real time polymerase chain reaction 4 virogenesis 4 virus RNA 4 10 allyl 6 chloro 4 methoxy 9(10h)acridone 2 10 allyl 7 chloro 9(10h) acridone 2 2 propyl 2,6 diamino 2,3,4,6 tetradeoxy alpha dextro threo hexopyranoside 2 2 propyl 2,6 n,n diacetamido 2,3,4,6 tetradeoxy alpha dextro threo hexopyranoside 2