3-hydroxy-28-[(tetrahydro-2H-pyran-2-yl)oxy]lup-20(29)-ene

3-O-acetyl-28-O-tetrahydropyranylbetulin

(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-9-(((2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)icosahydro-3aH-cyclopenta[a]chrysene-3a-carboxylic acid

桦木脑二乙酸

羽扇烯酮