2 methyl 2 butene ir July 8, 2019 16 32 64 128 2 methyl 2 butene ir spectrum 2 methyl 2 butene ir spectra When 2 methyl 2 butene is treated with nbs and irradiated with uv light 2 methyl 2 butanol 2 metil 2 butena + h2 2 methyl 2 butene 2 metyl buten 2 metylo 2 buten