Di-O-methylhonokiol (Honokiol dimethyl ether), a phenolic component of Magnolia grandiflora L, exhibits antimicrobial activity and significant antioxidant activity against Gram-positive and acid-resistant bacteria and fungi.

Dehydrodiconiferyl alcohol (DHCA) is a lignan isolated from calabash that inhibits osteoclast differentiation and oophorectomy induced bone loss by acting as an estrogen receptor agonist.

Dicentrine, (-)- is an aporphinic alkaloid found in several plant species, which showed significant antinociceptive activity in an acute model of visceral pain in mice.