150840-41-8 AIDS-033482 AIDS033482 Betulinic acid NH-UndecCOOH deriv. Dodecanoic acid, 12-[[(3.beta.)-3-hydroxy-28-oxolup-20(29)-en-28-yl]amino]- N-[3.beta.-Hydroxylup-20(29)-en-28-oyl]-12-aminododecanoic acid