107885-48-3 5,6,7,7a-Tetrahydro-6,7a-dimethyl-5-phenylfuro(2,3-c)pyridin-2(4H)-one methanesulfonate Furo(2,3-c)pyridin-2(4H)-one, 5,6,7,7a-tetrahydro-6,7a-dimethyl-5-phenyl-, methanesulfonate