Methanesulfonic acid, 1,1,1-trifluoro-, 1',3'-dihydro-1',3',3'-trimethyl-6-nitro-8-[[(trifluoromethyl)sulfonyl]oxy]spiro[2H-1-benzopyran-2,2'-[2H]indol]-5'-yl ester
甲基磺酸,1,1,1-三氟-1′,1′,3′-二氢-1′,3′-三甲基-6-硝基-8-[(三氟甲基)磺酰基]氧基]螺环[2H-1-苯并吡喃-2,2′-[2H]吲哚]-5′-基酯