Jawabanmu

2014-02-07T14:50:48+07:00
Ch3-ch2ch3-o-Ch2ch3-ch2ch3-chc2h5ch3-ch2-ch3
2014-02-07T17:17:30+07:00
ch3-ch2ch3-o-Ch2ch3-ch2ch3-chc2h5ch3-ch2-ch3