174740-43-3 AIDS-033480 AIDS033480 Betulinic acid NH-OctCOOH deriv. N-[3.beta.-Hydroxylup-20(29)-en-28-oyl]-9-aminonononanoic acid Nonanoic acid, 9-[[(3.beta.)-3-hydroxy-28-oxolup-20(29)-en-28-yl]amino]-