(-)-Oxetanocin X 113269-45-7 1H-Purine-2,6-dione, 9-[(2R,3R,4S)-3,4-bis(hydroxymethyl)-2-oxetanyl]-3,9-dihydro- 1H-Purine-2,6-dione, 9-[3,4-bis(hydroxymethyl)-2-oxetanyl]-3,9-dihydro-, [2R-(2a,3b,4a)]- 9-(2-Deoxy-2-hydroxymethyl-.beta.-D-erythro-oxetanosyl)xanthosine AIDS-001157 AIDS001157 OXT-X