2-{(1S,2S,4aR,8R,8aR)-8-Hydroxy-4a,8-dimethyl-1-[(2E)-2-methylbut-2-eno-yl- oxy]perhydronaphthalen-2-yl}acrylic acid from Sclerorhachis platyrachis
2-{(1S,2S,4aR,8R,8aR)-8-Hydroxy-4a,8-dimethyl-1-[(2E)-2-methylbut-2-eno-yl- oxy]perhydronaphthalen-2-yl}acrylic acid from Sclerorhachis platyrachis