Thymidine, 5′-O-[[[trans-4-[[(2R)-2-amino-3-mercapto-1-oxopropyl]amino]cyclohexyl]oxy]hydroxyphosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-O-[[[trans-4-[[(2R)-2-amino-1-oxo-3-[(triphenylmethyl)thio]propyl]amino]cyclohexyl]oxy]hydroxyphosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-O-[[[trans-4-[[(2R)-2-amino-3-[(1,1-dimethylethyl)dithio]-1-oxopropyl]amino]cyclohexyl]oxy]hydroxyphosphinyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

2,5-Epoxy[1]benzopyrano[4,3-b]azepin-6(1H)-one, 2,3,4,5-tetrahydro-4-methyl-1-(phenylmethyl)-, (2R,5S)-rel-