2 2 3 4-tetramethyl pentane structure July 8, 2019 16 32 64 128 2 methyl 2 butanol 2 2 3 4 4-pentamethyl pentane 2 2 4 4-tetramethyl-3-pentanol 2 2 3 4-tetrametilpentan 2 2 4 4 tetramethyl pentane