oxoproline,compound,piperazine,proline
Proline
492999-60-7L-Proline,L-alanyl-L-prolyl-L-alanyl-L-threonyl-L-seryl-L-a-glutamylglycyl-L-glutaminyl-L-seryl-L-lysyl-L-arginyl-L-cysteinyl-L-lysyl-
874987-78-7L-Proline,L-prolyl-L-leucyl-L-methionylglycyl-L-tryptophyl-L-asparaginyl-L-cysteinyl-L-cysteinyl-L-prolyl-L-prolyl-