Lamivudine Impurity (S-sulphoxide); Lamivudine EP Impurity G

: Lamivudine (S)-S-Oxide; 4-Amino-1-[(2R,3S,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone; [2R-(2α,3α,5α)]-4-Amino-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone S-Oxide; 1,3-Oxathiolane, 2(1H)-pyrimidinone; [2R-(2α,3α,5α)]-4-Amino-1-[2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone