Bufadienolides from the southern African Drimia depressa (Hyacinthaceae: Urgineoideae)

Two bufadienolides, 3β,16β-dihydroxy-5β-bufa-20,22-dienolide and 16β-hydroxy-5β-bufa-20,22-dienolide-3β-O-β-d-galactoside, have been isolated from bulbs of the poisonous South African geophyte Drimia depressa (Hyacinthaceae).