SEARCH Articles Figures Tables 1 + /-)- -4-Methyl-3-phenylperhydropyrido oxazin 3- Phenylperhydropyrido oxazine 4-Phenylperhydropyrido optically active 4-Phenylperhydropyrido oxazines 9-Hydroxy-9-phenylperhydropyrido 9-Hydroxy-9-phenylperhydropyrido l,4]oxazine-6-one L-Hydroxy-8-methylene-4-phenylperhydropyrido oxazine, oxidation