A. CH22=CH–COO-CH=CH–COO-CH33 B. CH B. CH22 =CH–COOH =CH–COOH C....
Câu 23A. CH
2
2
=CH–COO-CH=CH–COO-CH3
3
B. CH B. CH2
2
=CH–COOH =CH–COOH C. CHC. CH3
3
–COO-CH=CH–COO-CH=CH2
2
C. CHC. CH2
2
=CH–COO-C=CH–COO-C2
2
HH5
5
A. CH