TY - JOUR T1 - An approach to the stereoselective synthesis of Sp-dinucleoside phosphorothioates using phosphotriester chemistry. JO - Nucleic Acids Res PY - 1987/12/10 AU - Cosstick R AU - Williams DM ED - DO - DOI: 10.1093/nar/15.23.9921 VL - 15 IS - 23 SP - 9921 EP - 9932 Y2 - 2024/12/22 ER -