TY - GEN AU - Lindstedt,G AU - Tofft,M TI - A note on the synthesis of N-methyl-labeled quaternary amines and betaines PY - 1969///0416 KW - Amines KW - chemical synthesis KW - Aminobutyrates KW - Betaine KW - Carbon Isotopes KW - Chromatography, Thin Layer KW - Tritium N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0021-9673(01)97979-8 ER -