6-Ethoxy-7-methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride 6272-91-9 Isoquinoline, 6-ethoxy-1,2,3,4-tetrahydro-7-methoxy-, hydrochloride Isoquinoline, 6-ethoxy-7-methoxy-1,2,3,4-tetrahydro-, hydrochloride NSC33638 WLN: T66 CMT&J HO2 IO1 &GH