1-(4-Chlorophenethyl)-6-methoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-5-ol oxalate 5-ISOQUINOLINOL, 1,2,3,4-TETRAHYDRO-1-(4-CHLOROPHENETHYL)-6-METHOXY-2-METHYL-, H 5-Isoquinolinol, 1,2,3,4-tetrahydro-1-(4-chlorophenethyl)-6-methoxy-2-methyl-, hydrogen oxalate 64047-72-9