cis-4,4-dimethylpent-2-ene, Z-4,4-dimethyl-2-pentene, Z-.4,4-dimethylpentene-2, (2Z)-4,4-Dimethyl-2-pentene, 2-PENTENE,4,4-DIMETHYL-,(Z), 4,4-Dimethyl-pent-2c-en, 2-Pentene, 4,4-dimethyl-, (Z)-, (Z)-4,4-dimethylpent-2-ene, cis-1-tert-butyl-2-methylethylene, 4,4-dimethyl-pent-2c-ene, (Z)-(CH3)3CCH=CHCH3, 4,4-Dimethyl-cis-2-pentene