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4-甲基-2-苯基-2-噁唑啉-5-酮
→
1213233-80-7
(4R,5S)-4-isopropoxycarbonyl-4,5-dimethyl-2-phenyl-1,3-oxazoline
127060-92-8
(2R,3S)-3-羟基-D-异缬氨酸