(6-(6-Amino-9H-purin-9-yl)-2-(bis(2-chloroethyl)amino)-2-oxidohexahydrofuro[3,4-d][1,3,2]oxazaphosphol-4-yl)methanol AIDS-160180 AIDS160180 Adenosine, {3'-[[[bis(2-chloroethyl)amino]hydroxyphosphinyl]amino]-3'-deoxy-,} intramol. 3',2'-ester, stereoisomer NSC295683 NSC295763