Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of 1H and 13C chemical shift in Z- and E-isomers. 1H and 13C chemical shifts axes are indicated on the left and the right side of the plot, respectively. 1H and 13C chemical shifts are labelled with filled (•H1′, ■ H4′) and blank symbols (○ C1′, □ C4′), respectively.
