作者: Andreas Schmidt
DOI: 10.1016/S0065-2725(03)85002-X
关键词: Natural product 、 Stereochemistry 、 Mesoionic 、 Nucleobase 、 Conjugated system 、 Munchnones 、 Alternant hydrocarbon 、 Peptide bond 、 Chemistry
摘要: … , whereas the charges on zwitterions and mesomeric betaines are in the same molecule. An … In contrast to these kinds of zwitterions, mesomeric betaines IV are neutral compounds that …