Walsuralactam A in the formula I, which is used as an active ingredient, and is used for treating and preventing the tumour.

Richenoic acid是一种天然产物，属于楝科割舌树属，其产品编号为 TN4912，CAS号为 134476-74-7。Richenoic acid可用作对照参考。

Walsuronoid B shows weak antimalarial activity.

24,25-Epoxydammar-20(21)-en-3-one 是一种天然产物，可用于生命科学领域的相关研究。其产品编号为 TN2818，CAS号为 63543-52-2。

24,25-Dihydroxydammar-20-en-3-one 是一种天然产物，可用于生命科学领域的相关研究。其产品编号为 TN2817，CAS号为 63543-53-3。

3,7,16-Trihydroxystigmast-5-ene 是一种天然产物，可用于生命科学领域的相关研究。其产品编号为 TN2908，CAS号为 289056-24-2。

11β-Hydroxycedrelone has cytotoxic activity, it exhibits moderate inhibitory activity against HL-60 cell line with the IC50 values of 8.9 uM.

(+)-5-Methoxyisolariciresinol displays significant antioxidant activities, with the IC(50) value in the range of ca. 42 to 49 microg ml.

Dammar-20(21)-en-3,24,25-triol 是一种天然产物，可用于生命科学领域的相关研究。其产品编号为 TN3755，CAS号为 55050-69-6。

Cabraleadiol displays antimycobacterial activity against Mycobacterium tuberculosis, it also is weakly cytotoxic to a breast cancer (BC) cell line. Cabraleadiol inhibits photosystem II (PS II) and induces the appearance of small G band which is related wi