pyrido,oxazine,oxazin,[1,4]oxazin,[1,4]oxazine
Oxazin
353796-44-82H,8H-[1,3]Oxazino[3,2-a][1,6]naphthyridine-4a(5H)-carboxylic acid,3,4,6,6a,9,10-hexahydro-3-(phenylmethyl)-, ethyl ester [1,4]oxazin
105124-57-0(4aS,11bS)-4-methyl-2,3,4,4a,5,6,7,11b-octahydrobenzo[6,7]cyclohepta[1,2-b][1,4]oxazine