(-)-(2'R,5'S)-1-[2'-Hydroxymethyl-5'-(1,3-oxathiolanyl)]cytosine & Methanone, (4-bromophenyl)[1'-[(2,4-dimethyl-3-pyridinyl)carbonyl]-4'-methyl[1,4'-bipiperidin]-4-yl]-, O-ethyloxime, (Z)-, N1-oxide 3TC & SCH 351125 AIDS-011320 AIDS011320 SCH-C & Lamivudine