烯醇磷酸类( Enolphosphate) CH R-C-OP-O CH2 O HOOC-C-OcP-O PEPIphosphoenolpyruvate烯醇磷酸类(Enolphosphate) ～P O - O O - R C O CH2 ～P O - O O - HOOC C O CH2 PEP[phosphoenolpyruvate]