白桦脂酸

3-O-acetyl-28-O-tetrahydropyranylbetulin

白桦脂醛

(3beta)-3-((2-O-beta-D-吡喃葡萄糖基-beta-D-吡喃葡萄糖基)氧基)羽扇-20(29)-烯-28-酸

路路通酸

3,28-Dioxolup-22,29-en

28-O-β-glucuronide betulinic acid

桦木醇

3Beta-乙酰氧基白桦酸

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

3β-lup-20(29)-ene-3,28-diol 3-acetate

桦木脑二乙酸

28-O-β-D-glucopyranosyl 3β-hydroxy-lup-20(29)-en-28-oate

羽扇烯酮

圆齿火棘酸

(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