差向 meaning in English
epi-
Examples
- Sum of parent
4 -差向异构体 - These include catechin and gallocatechin ( hydroxyls at positions 5 ' as well as at 3 ' and 4 ' as in catechin ) , their esters with gallic acid , catechin gallate , and gallocatechin gallate , and their epimers
它们有几茶素和儿茶素(在5 '位上以及如同儿茶素中一样在3 '和4 '位上羟基化) ，它们与酸生成的酯，即儿茶素酸酯和儿茶素酸酯，以及它们的差向(表)异构体。