 Two cyathane @-@ like diterpenoids , ( 12S ) -11α , 14α @-@ epoxy @-@ 13α , 14β , 15 @-@ trihydroxycyath @-@ 3 @-@ ene and ( 12R ) -11α , 14α @-@ epoxy @-@ 13α , 14β , 15 @-@ trihydroxycyath @-@ 3 @-@ ene , have been isolated and identified from the liquid culture of the fungus . These compounds inhibit the growth of certain tumor cells when grown in vitro . 
