150840-32-7 3aH-Cyclopenta[a]chrysene, undecanoic acid deriv. AIDS-033473 AIDS033473 Betulinic acid, 11-aminoundecanoate deriv. Lupane, undecanoic acid deriv. N-[3.alpha.-Hydroxylup-20(29)-en-28-oyl]-11-aminoundecanoic acid Undecanoic acid, 11-[[(3.alpha.)-3-hydroxy-28-oxolup-20(29)-en-28-yl]amino]-