AIDS-148646 AIDS148646 Methyl 3-phenyl-2-(((4-(7,12,17-tris(4-(((1-benzyl-2-methoxy-2-oxoethyl)amino)sulfonyl)phenyl)-21,22,23,24-tetraazapentacyclo[16.2.1.1~3,6~.1~8,11~.1~13,16~]tetracosa-1,3(24),4,6,8,10,12,14,16(22),17,\t19-undecaen-2-yl)phenyl)sulfonyl)amino)propanoate NSC681457