螺[茚-1,4’-哌啶]盐酸盐

2-[3-hydroxy-7,7-dimethyl-4-(spiro[indene-1,4'-piperidine]-1'-ylsulfonylmethyl)-3-bicyclo[2.2.1]heptanyl]acetic acid

2,3-二氢螺(茚-1,4-哌啶)