103913-16-2 2,3-Oxetanedimethanol, 4-(6-amino-9H-purin-9-yl)-, (2S-(2-alpha,3-beta,4-alpha))- 9-((2R,3R,4S)-3,4-Bis(hydroxymethyl)-2-oxetanyl)adenine NK 84-0218 Oxetanocin Oxetanocin A