Synonyms: AC1O5GTK;LS-85487;1-[2-(4-chlorophenyl)sulfinylethyl]-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium; (E)-4-hydroxy-4-oxobut-2-enoate;22973-05-3;Isoquinoline, 1-(2-((p-chlorophenyl)sulfinyl)ethyl)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-, fumarate (1:1)