2-BUTENYLMAGNESIUM CHLORIDE;2-Butenylmagnesium chloride solution;2-BUTENYLMAGNESIUM CHLORIDE, 1.0M SOLUTI ON IN TETRAHYDROFURAN;2-Butenylchloromagnesium;Chloro(2-butenyl) magnesium;2-Butenylmagnesium chloride, 0.5M in MeTHF;2-Butenylmagnesium chloride solution 0.5 in THF;2-Butenylmagnesium chloride 0.5M solution in 2-MeTHF