Left or right, it is a matter of one methylene unit.
Li
C Y
CY
The Maurice Morton Institute and Department of Polymer Science The University of Akron, Akron, Ohio 44325-3909, USA.
Cheng
S Z
SZ
Weng
X
X
Ge
J J
JJ
Bai
F
F
Zhang
J Z
JZ
Calhoun
B H
BH
Harris
F W
FW
Chien
L C
LC
Lotz
B
B