ChemFaces have 22 compounds are similar structure. Dihydrobetulinic acid (CAS#25488-53-3); Betulinaldehyde (CAS#13159-28-9); Betulinic acid (CAS#472-15-1); Betulinic acid methyl ester (CAS#2259-06-5); Pyracrenic acid (CAS#80832-44-6); Cussosaponin C (CAS#366814-42-8); Betulonic acid (CAS#4481-62-3); 20-Hydroxy-3-oxo-28-lupanoic acid (CAS#93372-87-3); Alphitolic acid (CAS#19533-92-7); 2alpha-hydroxy-3beta-acetyloxy-betulic acid (CAS#1163728-89-9); 3,27-Dihydroxy-20(29)-lupen-28-oic acid methyl ester (CAS#263844-79-7); 3-Acetoxy-27-hydroxy-20(29)-lupen-28-oic acid methyl ester (CAS#263844-80-0); Anemosapogenin (CAS#85999-40-2); Anemoside A3 (CAS#129724-84-1); Pulsatilla saponin D (CAS#848784-85-0); Pulchinenoside B (CAS#135247-95-9); Anemoside B4 (CAS#129741-57-7); Pulchinenoside E (CAS#366814-43-9); 3alpha-Acetoxy-20-oxo-29-norlupane-23,28-dioic acid (CAS#262272-76-4); 3alpha-Acetoxy-20(29)-lupene-23,28-dioic acid (CAS#83725-41-1); Acantrifoic acid A (CAS#654663-85-1); Bacosine (CAS#198014-94-7).
Those compounds are series compounds, which having the similar structure but only some different in the individual atoms, functional groups and substructures. Maybe they also have the different physicochemical property, bioactivity and pharmacological property. In the drug design and reserach, they play an important role of improving the success rate of drug screening, researching of drug toxicity and acquiring of other data.
