3-(2-Aminoethyl)-2-methyl-5,6,7,8-tetrahydroindolizine maleate 3-INDOLIZINEETHANAMINE, 5,6,7,8-TETRAHYDRO-2-METHYL-, (Z)-2-BUTENEDIOATE (1:1) 5,6,7,8-Tetrahydro-2-methyl-3-indolizineethanamine (Z)-2-butenedioate 70403-64-4