A= ch2=ch2-oh
B= ch3-ch=o
C= ch3-c(ch3)-oh
D=ch3-c(ch3)=o
E= ch3-ch(ch2-c(ch3)=o)-oh
G= ch3-ch(ch2-ch=o)-oh
I=ch3-c(ch2-c(ch3)=o)(ch3)-oh
F=ch3-ch=ch-c(ch3)=o
H=ch3-ch=ch-ch2=o
J=ch3-c(ch3)=ch-c(ch3)=o
a)B)numai g
b)A) f si h
c) C)f si j
d) D) e,g,i
e) A) a cu b si c cu d
