3 bromo 2 fluoro 3 methyl heptane July 8, 2019 16 32 64 128 3 bromo 2 fluoro 3 methylheptane structural formula 3 bromo 2 fluoro 3 methyl heptane structure 2-bromo-3 3 3-trifluoropropene 3 methylhexane 2 bromo 3 methylbutane