ORGANIC CHEMISTRY Chapter g CHs COCH2CH3 Ethyl ethanoate has 4 types of carhon so 4 peaker The most obvious peaks are the ester carbond at 19Uppm and the deshielded CH-aitached to 0 at about 7U ppm. 22020018016014012010080604020 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 9