oxalethyline

from The Century Dictionary.

• noun Meta-methyl-n-ethylglyox-aline, C₄H₅N.N.C₂H₅, a liquid with a strong, narcotic odor. It has the same physiological action as atropin, and is a strong base.

from the GNU version of the Collaborative International Dictionary of English.

• noun A poisonous nitrogenous base (C6H10N2) obtained indirectly from oxamide as a thick transparent oil which has a strong narcotic odor, and a physiological action resembling that of atropine. It is probably related to pyridine.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun organic chemistry A poisonous nitrogenous base, C6H10N2, obtained indirectly from oxamide as a thick clear oil with a strong odour and a physiological action resembling that of atropine.