4-(羟基亚氨基)哌啶-1-羧酸叔丁酯

2,3,6,7-四氢-(1H)-1,4-二氮杂卓-5(4H)-酮

二碳酸二叔丁酯

hexahydro-(5H)-1,4-diazepine-5-one acetic acid salt

1,4-二氮杂烷-2-酮