[[N-[3β-hydroxylup-20(29)-en-28-oyl]-6-aminohexyl]carbamoyl]methane

[[N-[3β-hydroxylup-20(29)-en-28-oyl]-8-aminooctyl]carbamoyl]methane

11-{[(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bS)-9-Acetoxy-5a,5b,8,8,11a-pentamethyl-1-(1-pyrrolidin-1-ylmethyl-vinyl)-icosahydro-cyclopenta[a]chrysene-3a-carbonyl]-amino}-undecanoic acid methyl ester

5-[((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-Acetoxy-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysene-3a-carbonyl)-amino]-pentanoic acid

7-[((1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-9-Acetoxy-1-isopropenyl-5a,5b,8,8,11a-pentamethyl-icosahydro-cyclopenta[a]chrysene-3a-carbonyl)-amino]-heptanoic acid