150840-51-0 AIDS-033484 AIDS033484 Betulinic acid NH-CH2CONH-HepCOOH deriv. N'-[N-[3.beta.-Hydroxylup-20(29)-en-28-oyl]-2-aminoacetyl]-8-aminooctanoic acid Octanoic acid, 8-[[[[(3.beta.)-3-hydroxy-28-oxolup-20(29)-en-28-yl]amino]acetyl]amino]-