Прошу помочь со статьей:
Hai-Ming Guo, Jian-Guo Li, Gui-Rong Qu, Xiao-Mei Zhang, Wei-Cheng Yuan. Organocatalytic enantioselective Michael addition of malononitrile to nitroolefins catalyzed by bifunctional thiourea //Chirality, 2011
- DOI:
http://dx.doi.org/10.1002/chir.20956