1,2,4a,5,6,7,8,8a-Octahydro-2-(2-hydroxybutyl)-1,3-dimethyl-1-naphthalenecarboxylic acid (1alpha,2beta(R*),4aalpha,8aalpha)-(-)- 1-Naphthalenecarboxylic acid, 1,2,4a,5,6,7,8,8a-octahydro-2-(2-hydroxybutyl)-1,3-dimethyl-, (1alpha,2beta(R*),4aalpha,8aalpha)-(-)- 143605-56-5 PI 201 PI-201