Taxus baccata L.

20-Hydroxyecdysone [13]

T. breviflora

Ponasterone A [4]

T.chinensis

20-Hydroxyecdysterone [5]

T. cuspidata Siebold et Zucc

20-Hydroxyecdysone [6, 7]

7,8β-Dihydroponasterone A [8]

20-Hydroxyecdysterone [6, 7]

Makisterone A [9]

Ponasterone A [6]

Taxisterone [10, 11]