Examlex
An unknown compound,C5H10O2,gave the following proton NMR data:
a)doublet,at 1.23 ppm (6H)
b)singlet,at 2.10 ppm (3H)
c)septet,at 4.98 ppm (1H)
Propose a structure for the compound.
Hepatic Portal System
System of portal veins that carries blood from the intestines, stomach, spleen, and pancreas to the liver.
Gastric Vein
A vein draining blood from the stomach into the portal vein system.
Inferior Mesenteric Vein
A vein draining blood from the lower part of the large intestine into the portal venous system.
Auscultatory Method
A technique for measuring blood pressure using a stethoscope and sphygmomanometer to listen to the Korotkoff sounds in an artery.
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