SEARCH Articles Figures Tables Chemistry of 4-oxy- and 4-keto-l ,2,3,4-tetrahydroisoquinolines Of 4-oxy-and 4-keto-l,2,3,4-tetrahydroisoquinolines Pictet-Spengler synthesis of tetrahydroisoquinolines Reactions of Tetrahydroisoquinolines Tetrahydroisoquinoline Tetrahydroisoquinolines