Weinheimer A J, Matson J A
Lloydia. 1975 Sep-Oct;38(5):378-82.
Crassin acetate, a lactonic cembrane diterpene, has been shown to be the principal antineoplastic agent present in the marine invertebrates (gorgonians) Pseudoplexaura porosa, P. flagellosa, P. wagenaari and P. crucis.