Histrelin (4-9)

(D-HIS(BZL)6,PRO-NHET9)-LHRH (4-9)

H-SER-TYR-D-HIS(BZL)-LEU-ARG-PRO-NHET

(D-HIS(BZL)6,PRO-NHET9)-GONADOTROPIN-RELEASING HORMONE (4-9)

(D-HIS(BZL)6,PRO-NHET9)-LUTEINIZING HORMONE-RELEASING FACTOR (4-9)

(D-HIS(BZL)6,PRO-NHET9)-LUTEINIZING HORMONE-RELEASING HORMONE (4-9)