A peyote alkaloid, isolated from Lophophora williamsii (Lem.) Coult. Isoln and synthesis: Kapadia, Shah, Lloydia 30, 287 (1967). Structure studies: Kapadia, Highet, J. Pharm. Sci. 57, 191 (1968).
This monograph has been retired and is no longer subject to revision or update.