174740-55-7 3-Piperidinecarboxylic acid, 1-[8-[[(3.beta.)-3-hydroxy-28-oxolup-20(29)-en-28-yl]amino]-1-oxooctyl]- AIDS-033512 AIDS033512 Betulinic acid NH-HepCO-Piperid-COOH deriv. N'-[N-3.beta.-Hydroxylup-20(29)-en-28-oyl]-8-aminooctanoyl]nipecotic acid