tropeine

from The Century Dictionary.

• noun In organic chemistry, a class-name applied to the esters of tropine and organic acids, , where R is a hydrocarbon radical such as methyl (CH₃). These substances are basic crystalline compounds which resemble atropin in constitution and some of them have a similar physiological action.

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

• noun (Chem.) Any one of a series of artificial ethereal salts derived from the alkaloidal base tropine.

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

• noun chemistry Any of a series of ethereal salts derived from tropine.