D-脯氨醇; L-脯氨醇; D-苯丙氨醇; L-苯丙氨醇; 2-哌啶甲醇;3-哌啶甲醇;4-哌啶甲醇;L-缬氨醇D-缬氨醇;;D-亮氨醇;4-苯基-1-丁醇;(R)-(+)-alpha,alpha-二苯基脯氨醇;(S)-(+)-alpha,alpha-二苯基脯氨醇;N-Boc-D-脯氨醇; N-BOC-L-脯氨醇; 1-甲基-2-哌啶甲醇1-甲基-3-哌啶甲醇 1-甲基-4-哌啶甲醇; N-Boc-4-哌啶甲醇; N-叔丁氧羰基-4-哌啶甲醇; 4-吡咯烷基吡啶; 2-哌啶甲酸甲酯;3-哌啶甲酸甲酯;4-哌啶甲酸甲酯;2-哌啶甲酸乙酯; 3-哌啶甲酸乙酯;4-哌啶甲酸乙酯