Synonyms: 2-Butenedioicacid, 2-methyl-, 1-(8-methyl-8-azabicyclo[3.2.1]oct-3-yl)4-[8-methyl-6-[(2-methyl-1-oxo-2-butenyl)oxy]-8-azabicyclo[3.2.1]oct-3-yl]ester, stereoisomer; 2-Butenedioic acid, 2-methyl-, 1-[(3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl]4-[(1R,3R,5S,6R)-8-methyl-6-[[(2Z)-2-methyl-1-oxo-2-butenyl]oxy]-8-azabicyclo[3.2.1]oct-3-yl]ester, (2E)- (9CI); (-)-Schizanthine C; Schizanthine C