Compound 2, or 15α-Hydroxy-20-oxo-6,7-seco-ent-kaur-16-en-1,7α(6,11α)-diolide, is an ent-kaurene diterpenoid extracted from Rubescens rubescens. This compound exhibits cytotoxic activity against various cell lines, including EC-1, U87, A549, MCF-7, and HeLa, with IC50 values of 37.69 μM, 79.362 μM, 80.07 μM, 197.35 μM, and 462.13 μM, respectively, as well as 180.09 μM against another unspecified line [1].

3β-(Acetyloxy)stigmast-5-en-7-one exhibits anti-complement activity [1].

Bourjotinolone A is a natural product of Phellodendron, Rutaceae. The catalog number is TN5943 and the CAS number is 6985-35-9. Bourjotinolone A can be used as a reference standard.

Fern-7-en-19-one is a natural product for research related to life sciences. The catalog number is TN4055 and the CAS number is 222294-61-3.

7-(4-hydroxy-3-methoxyphenyl)-1-phenylhept-4-en-3-one (DPHB) is a natural product for research related to life sciences. The catalog number is TN3217 and the CAS number is 79559-60-7.

4,8-Dihydroxyeudesm-7(11)-en-12,8-olide is a natural product for research related to life sciences. The catalog number is TN3017 and the CAS number is 1231208-53-9.

1-(3,4-Dihydroxyphenyl)-7-(4-hydroxyphenyl)hept-6-en-3-ol is a natural product for research related to life sciences. The catalog number is TN2471 and the CAS number is 1206788-61-5.

9alpha,11-Dihydroxydrim-7-en-6-one is a natural product for research related to life sciences. The catalog number is TN3332 and the CAS number is 127681-58-7.

5-Hydroxy-7-(4-hydroxy-3-methoxyphenyl)-1-phenylhept-4-en-3-one is a natural product for research related to life sciences. The catalog number is TN6374 and the CAS number is 142831-06-9.

15,16-Epoxy-15-ethoxy-6beta,13-dihydroxylabd-8-en-7-one is a natural product for research related to life sciences. The catalog number is TN2633 and the CAS number is 1374328-47-8.

3-Oxo-24,25,26,27-tetranortirucall-7-ene-23(21)-lactone shows significant inhibitory activities against human cancer cell lines in vitro.

24,25-Epoxytirucall-7-en-3,23-dione is a natural product for research related to life sciences. The catalog number is TN2819 and the CAS number is 890928-81-1.

11-Hydroxydrim-7-en-6-one is a natural product for research related to life sciences. The catalog number is TN2584 and the CAS number is 74635-87-3.

(3β,24S)-3-Hydroxystigmast-5-en-7-one (Compound 31), isolated from Lindera akoensis, exhibits anti-inflammatory activity [1].

9alpha,11,12-Trihydroxydrim-7-en-6-one is a natural product for research related to life sciences. The catalog number is TN3331 and the CAS number is 192566-65-7.

4α,8β-Dihydroxy-3α-(2-hydroxy-3-acetoxy-2-methylbutyryloxy)eudesm-7(11)-en-12,8α-olide is a natural product for research related to life sciences. The catalog number is TN5399 and the CAS number is 1442989-33-4.

21,23:24,25-Diepoxy-21,23-dimethoxytirucall-7-en-3-one is a natural product for research related to life sciences. The catalog number is TN2804 and the CAS number is 1351617-74-7.

7,15-Dihydroxy-4,4,14-trimethyl-3,11-dioxochol-8-en-24-oic acid is a ganoderma triterpenoid found in Ganoderma Lucidum Karst. This compound is acknowledged as a significant bioactive ingredient. It can be employed in the investigation of different etiologies.

Hop-17(21)-en-3-ol is a natural product of Gentiana, Gentianaceae. The catalog number is TN4225 and the CAS number is 564-14-7. Hop-17(21)-en-3-ol can be used as a reference standard.

6,19-Dihydroxyurs-12-en-3-oxo-28-oic acid is a natural product for research related to life sciences. The catalog number is TN3143 and the CAS number is 194027-11-7.

2α,3α,24-Trihydroxyurs-12-en-28-oic acid, a triterpenoid phytoalexin, shows antifungal activity against the fungus mentioned. It also shows in vitro cytotoxic activity against tumor cell lines including PLC,Hep3B,HepG2,HeLa,SW480,MCF-7 and Bel7402.

3β-(4-Hydroxybenzoyloxy)-21β,29-dihydroxyserrat-14-en-24-oic acid is a natural product for research related to life sciences. The catalog number is TN6331 and the CAS number is 1217268-13-7.

25-Hydroxycycloart-23-en-3-one is a natural product of Artocarpus, Moraceae. The catalog number is TN2826 and the CAS number is 148044-47-7. 25-Hydroxycycloart-23-en-3-one can be used as a reference standard.