134934-74-0 2'(2BuNH)5',N6(4MeOTrityl)dA 2'-(2-Butylamino)-5',N6-bis(4-methoxytrityl)-2'-deoxyadenosine 9H-Purin-6-amine, 9-[2-deoxy-5-O-[(4-methoxyphenyl)diphenylmethyl]-2-[(1-methylpropyl)amino]-.beta.-D-xylofuranosyl]-N-[(4-methoxyphenyl)diphenylmethyl]- AIDS-002355 AIDS002355