127984-84-3 2H-1,3,4-Oxadiazin-2-one, 3,6-dihydro-5-phenyl- 3,6-Dihydro-5-phenyl-2H-1,3,4-oxadiazin-2-one 5-Phenyl-3,6-dihydro-1,3,4-oxadiazin-2-one 62501-39-7 EINECS 263-575-9