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

Richenoic acid is a natural product of Walsura, Meliaceae. The catalog number is TN4912 and the CAS number is 134476-74-7. Richenoic acid can be used as a reference standard.

Walsuronoid B shows weak antimalarial activity.

24,25-Epoxydammar-20(21)-en-3-one is a natural product for research related to life sciences. The catalog number is TN2818 and the CAS number is 63543-52-2.

3,7,16-Trihydroxystigmast-5-ene is a natural product for research related to life sciences. The catalog number is TN2908 and the CAS number is 289056-24-2.

24,25-Dihydroxydammar-20-en-3-one is a natural product for research related to life sciences. The catalog number is TN2817 and the CAS number is 63543-53-3.

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 is a natural product for research related to life sciences. The catalog number is TN3755 and the CAS number is 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