173106-24-6 AIDS-033543 AIDS033543 Betulinic acid, 11-aminoundecanoate deriv. N-[2,3-Dioxolupa-20(29)-en-28-oyl]-11-aminoundecanoic acid Undecanoic acid, [(2-hydroxy-3,28-dioxolupa-1,20(29)-dien-28-yl)amino]-