A compound represented by formula (I) wherein R.sup.1 represents hydrogen atom and R.sup.2 represents hydroxyl group, or R.sup.1 and R.sup.2 may combine together to represent oxo group or oxime group; R.sup.3 represents hydrogen atom and R.sup.4 represents hydroxyl group, or R.sup.3 and R.sup.4 may combine together to represent oxo group or oxime group; R.sup.5 represents hydrogen atom and R.sup.6 represents hydroxyl group, or R.sup.5 and R.sup.6 may combine together to represent oxo group or oxime group; R.sup.7 represents hydrogen atom and R.sup.8 represents hydrogen atom, or R.sup.7 and R.sup.8 may combine together to represent oxo group or oxime group; R.sup.9 and R.sup.10 represent hydrogen atom, an alkyl group, or an alkenyl group. The compound is useful as an active ingredient of a medicament having angiogenesis suppressive activity, apoptosis suppressive activity, and cell cycle inhibitory activity ##STR00001##

 
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