{"objs": [["H28554", "[P12]|   926-62-5|SPC:H28554|2.0 M solution in diethyl ether, SpcSeal|\n \u5f02\u4e01\u57fa\u6eb4\u5316\u9541\nIsobutylmagnesium bromide", "SPC"], ["H42589", "[P22]|   926-62-5|SPC:H42589|1.0 M solution in THF, SpcSeal|\n \u5f02\u4e01\u57fa\u6eb4\u5316\u9541\nIsobutylmagnesium bromide", "SPC"]]}