1,3-二氢-1-(-4-哌啶基)(2H)吲哚-2-酮

4-氧代-2-螺(哌啶-4-基)-苯并吡喃盐酸盐

4-(2-氟-3-吡啶基)-4-羟基-1-哌啶羧酸苯甲酯

benzyl 3-oxo-2,5,7,8-tetrahydropyrido[4,3-c]pyridazine-6-carboxylate

4-羟基-4-甲基哌啶-1-羧酸苄酯