4,14-Dioxatricyclo[11.3.2.03,5]octadec-8-en-15-one, 12-hydroxy-5,9,13-trimethyl-16-methylene-, [1R-(1R*,3S*,5S*,8E,12S*,13R*)]- 56326-25-1 NSC285705 SINULARIOLIDE