174740-59-1 AIDS-033516 AIDS033516 Benzoic acid, 2-[[8-[[(3.beta.)-3-hydroxy-28-oxolup-20(29)-en-28-yl]amino]-1-oxooctyl]amino]- Betulinic acid NH-HepCONH-C6H5-COOH deriv. N'-[N-3.beta.-Hydroxylup-20(29)-en-28-oyl]-8-aminooctanoyl]-2-aminobenzoic acid