1,2-二氢-2-氧代螺[4H-3,1-苯并恶嗪-4,4-哌啶]-1-羧酸叔丁酯

1,2-DIHYDRO-2-OXO-SPIRO[4H-3,1-BENZOXAZINE-4,4-PIPERIDINE]-1-CARBOXYLIC ACID 1,1-DIMETHYL ETHYL ESTER · CAS 84060-08-2