Fig. 1

Structures of compounds isolated from M. heynei, M. lowii and S. leprosula. a Laevifolin A, b) Laevifolin B, c) Malayheyneiin A, d) Laevifonol, e) Hopeaphenol and f) Pentadecyl ferulate. A prenyl group is a 5-carbon structure known as 3-methylbut-2-en-1-yl