222622-39-1
→
~66%
183023-15-6
(3S)-3-phenyl-2,3-dihydro-1,4-oxazin-6-one
144896-92-4
(5S)-3,4,5,6-四氢-5-苯基-4(H)-1,4-恶嗪-2-酮
~53%