3-(2-Ethylaminoethyl)-2-methylindolizine maleate 3-INDOLIZINEETHANAMINE, N-ETHYL-2-METHYL-, (Z)-2-BUTENEDIOATE (1:1) 70403-62-2 N-Ethyl-2-methyl-3-indolizineethanamine (Z)-2-butenedioate