Found 1 items, similar to C18H21NO3.
English → English (gcide) Definition: C18H21NO3 Codeine \Co*de"ine\, n. [Gr. ? poppy head: cf. F. cod?ine.] (Chem.) One of the opium alkaloids; a white crystalline substance, C18H21NO3, similar to and regarded as a derivative of morphine, but much feebler in its action; -- called also codeia. [1913 Webster] ||