Conformational dynamics of 4-formylaminoantipyrine based on NMR and theoretical calculations - Silva, Simone Cavalcante; Rodrigues, Shirley Muniz Machado; Nardini, Viviani; Vaz, Artur de Lara Lima; Palaretti, Vinicius; Silva, Gil Valdo José da; Vessecchi, Ricardo; Clososki, Giuliano Cesar (Journal of Molecular Structure, 2018)