Oxazine
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3H-Phenoxazine-1,9-dicarboxylic acid, 2-amino-3-oxo-, dibutyl esterCAS 63435-55-2 Cat. 2347084 -
2H-1,3-Benzoxazine-2,4(3H)-dione, 3-(4-methoxyphenyl)-CAS 153694-55-4 Cat. 2412621 -
2h-pyrido[3,2-e][1,3]oxazineCAS 51130-55-3 Cat. 2478235