- A poisonous nitrogenous base, C6H10N2, obtained indirectly from oxamide as a thick clear oil with a solid odour and a physiological action resembling that of atropine.
- A poisonous nitrogenous base (C6H10N2) gotten indirectly from oxamide as a thick clear oil with a strong narcotic odor, and a physiological activity resembling that atropine. It is probably related to pyridine.
- Meta-methyl-n-ethylglyox-aline, C4H5N.N.C2H5, a liquid with a good, narcotic odor. It's the exact same physiological activity as atropin, and it is a very good base.