3,6-dihydro-5-phenyl-2H-1,3,4-oxadiazin-2-one;2H-1,3,4-Oxadiazin-2-one, 3,6-dihydro-5-phenyl-;5-Phenyl-3,6-dihydro-2H-1,3,4-oxadiazin-2-one
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