134935-02-7 2'-Morpholino-5'-(4-methoxytrityl)-3'-deoxythymidine 2'Morph-5'(4MeOTrityl)dT AIDS-002385 AIDS002385 Uridine, 2',3'-dideoxy-5'-O-[(4-methoxyphenyl)diphenylmethyl]-5-methyl-2'-(4-morpholinyl)-