(R)-3-boc-4-(甲氧基甲基氨基甲酰)-2,2-二甲基噁唑啉

2-Methyl-2-propanyl (3S)-3-formyl-1-oxa-4-azaspiro[4.5]decane-4-c arboxylate

2-Methyl-2-propanyl (3R)-3-formyl-1-oxa-4-azaspiro[4.5]decane-4-c arboxylate

(R)-2,2-二甲基-恶唑烷-3,4-二甲酸3-叔-丁酯