epoxy,pyrido,oxazine,oxazin,[1,3]oxazine
[1,3]oxazine
146339-04-05H-CYCLOPENTA[E]PYRIDO[1,2-C][1,3]OXAZINE,DECAHYDRO-7-METHYL-,(3A-A-,7-A-,10A-A-,10B-A-)-
1192355-14-8tert-Butyl7-amino-4-oxo-3,4-dihydrospiro[benzo[e][1,3]oxazine-2,4'-piperidine]-1'-carboxylate