naphtho,oxazine,dione,oxazin,[1,3]oxazine
[1,3]oxazine
1192355-14-8tert-Butyl7-amino-4-oxo-3,4-dihydrospiro[benzo[e][1,3]oxazine-2,4'-piperidine]-1'-carboxylate
899437-53-72H-Pyrido[2,3-d][1,3]oxazine-2-thione,1,4-dihydro-4,4-dimethyl-6-[(2-thienylsulfonyl)methyl]-