Alkanes with more than three carbon atoms can be arranged in various ways, forming structural isomers.
ˈælkeɪnz wɪð mˈoːɹ ðɐn θɹˈiː kˈɑːɹbən ˈæɾəmz kæn biː ɚɹˈeɪndʒd ɪn vˈɛɹiəs wˈeɪz, fˈɔːɹmɪŋ stɹˈʌktʃɚɹəl ˈaɪsəmɚz.