van Wyk, AWW; Froneman, PW; Bernard, KS; Davies-Coleman, MT; (2007) New Isocopalane diterpene diester from a sub-Antarctic marine nudibranch. ARKIVOC : free online journal of organic chemistry / Arkat-USA, Inc, 2007 (ix). pp. 121-128. https://researchonline.lshtm.ac.uk/id/eprint/2061 Full text not available from this repository.