1,2,3,4-Tetrahydro-6,7-dihydroxy-2,2-dimethylisoquinolinium iodide bis(methylcarbamate) Isoquinoline, 2-methyl-1,2,3,4-tetrahydro-6,7-bis(N-methylcarbamyloxy)-, methiodide Isoquinolinium, 1,2,3,4-tetrahydro-6,7-dihydroxy-2,2-dimethyl-, iodide, bis(methylcarbamate) NX5805250 T-1969