(5-{methyl-[5-(3-trifluoromethyl-phenyl)-pyridine-2-sulfonyl]-amino}-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy)-acetic acid tert-butyl ester 、
sodium hydroxide 以to give (5-{methyl-[5-(3-trifluoromethyl-phenyl)-pyridine-2-sulfonyl]-amino}-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy)-acetic acid (23 mg, 64% yield)的产率得到(5-{methyl-[5-(3-trifluoromethyl-phenyl)-pyridine-2-sulfonyl]-amino}-6,7,8,9-tetrahydro-5H-benzocyclohepten-1-yloxy)-acetic acid