An explanation about the use of (S)-Citronellal as a Chiral Derivatizing Agent (CDA) in 1H and 13C NMR for Sec-Butylamine, Methylbenzylamine, and Amphetamine: a theoretical-experimental study - Takahashi, Viviani Nardini; Palaretti, Vinicius; Dias, Luis Gustavo; Silva, Gil Valdo José da (Molecules, 2019)