要求種類為羧酸
分子式中除去一個(gè)-COOH基團(tuán)
剩下C5H11
即只考慮這個(gè)烴基的同分異構(gòu)體種類即可.
ch3-ch2-ch2-ch2-ch2-
ch3-ch2-ch2-ch(ch3)-
ch3-ch2-ch(ch3)-ch2-
(ch3)2-ch-ch2-ch2-
ch3-ch(ch3)-ch(ch3)-
ch3-ch2-c(ch3)2-
ch3-c(ch3)2-ch2-
共7種