(D-SER4)-LEUPROLIDE

(D-SER4)-LEUPRORELIN

(DES-GLY10,D-SER4,D-LEU6,PRO-NHET9)-LHRH

(D-Ser4)-Leuprolide, (D-Ser4)-Leuprorelin

PYR-HIS-TRP-D-SER-TYR-D-LEU-LEU-ARG-PRO-NHET

(Des-Gly10,D-Ser4,D-Leu6,Pro-NHEt9)-LHRH (D-Ser4)-Leuprolide, (D-Ser4)-Leuprorelin