6,6-二氟-2,8-二氮杂螺[4.5]癸烷-8-羧酸叔丁酯碳酸盐

6,6-二氟-2,8-二氮杂螺[4.5]癸烷-8-羧酸叔丁酯 tert-butyl 6,6-difluoro-2,8-diazaspiro[4.5]decane-8-carboxylate hydrochloride 4,4-二氟-2,8-二氮杂螺[4.5]癸-2-羧酸叔丁酯 NULL tert-butyl 6,6-difluoro-2,8-diazaspiro[4.5]decane-2-carboxylate