1,2,3,4-Tetrahydro-2-(2-ethoxy-2-oxoethyl)-2-methylisoquinolinium iodide 200064-93-3 Ethyl (1,2,3,4-tetrahydro-2-isoquinolyl)acetate methiodide Isoquinolinium, 1,2,3,4-tetrahydro-2-(2-ethoxy-2-oxoethyl)-2-methyl-, iodide