3 7 11 15 tetramethylhexadec 2 ene July 8, 2019 16 32 64 128 3 7 11 15-tetramethyl-2-hexadecen-1-ol 3 7 11 15-tetramethylhexadec-2-en-1-ol 3 7 11 15-tetramethyl-2-hexadecen-1-ol uses 2 3 6 7-tetramethylnaphthalene