41166-89-6 4a,9a-Dihydro-1-(1-hydroxycyclopentylmethyl)-2(or 9)-methyl-9H-pyrido(3,4-b)indolium iodide 9H-Pyrido(3,4-b)indolium, 4a,9a-dihydro-1-(1-hydroxycyclopentylmethyl)-2(or 9)-methyl-, iodide