4-[[[(1R,2S,5R)-7-氧代-6-(苯基甲氧基)-1,6-二氮杂双环[3.2.1]辛烷-2-基]羰基]氨基]-1-哌啶羧酸叔丁酯

4-[[[(1R,2S,5R)-7-Oxo-6-(phenylmethoxy)-1,6-diazabicyclo[3.2.1]oct-2-yl]carbonyl]amino]-1-piperidinecarboxylic acid 1,1-dimethylethyl ester