174740-60-4 AIDS-033518 AIDS033518 Benzoic acid, 3-[[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]-3-aminobenzoic acid