pyrimido,oxazine,oxazin
Oxazine
106939-34-8Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
96520-36-42H-1,4-Benzoxazine,4-[(2,2-dimethyl-1,3-dioxan-5-ylidene)methyl]-7,8-difluoro-3,4-dihydro-3-methyl-