150840-88-3 AIDS-033534 AIDS033534 Betulinic acid, 11-aminoundecanoate deriv. N-[3.beta.-Hydroxy-30-[(2'-hydroxyethyl)amino]lup-20(29)-en-28-oyl]-11-aminoundecanoic acid Undecanoic acid, 11-[[(3.beta.)-3-hydroxy-30-[(2-hydroxyethyl)amino]-28-oxolup-20(29)-en-28-yl]amino]-