1H-Indole, 4-(1,2,5,6-tetrahydro-1-(2-propenyl)-3-pyridinyl)-, ethanedioate (2:1) 4-(1,2,5,6-Tetrahydro-1-(2-propenyl)-3-pyridinyl)-1H-indole ethanedioate (2:1) 4-(1-(2-Propenyl)-1,2,5,6-tetrahydropyridin-3-yl)-1H-indole oxalate (2:1) 83363-39-7