Leuprolide and Impurities

H-4060 corresponds to leuprolide (leuprorelin).

H-6714	(Des-Gly¹⁰,Des-Ser⁴,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-4316	(Des-Gly¹⁰,D-His²,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-6638	(Des-Gly¹⁰,D-His²,D-Ser⁴,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-6258	(Des-Gly¹⁰,D-Leu⁶,[¹³C₆]Leu⁷,Pro-NHEt⁹)-LHRH
H-4636	(Des-Gly¹⁰,D-Leu⁶,D-Leu⁷,Pro-NHEt⁹)-LHRH
H-6716	(Des-Gly¹⁰,D-Leu⁶,Orn⁸,Pro-NHEt⁹)-LHRH
H-4060	(Des-Gly¹⁰,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-6402	(Des-Gly¹⁰,Leu⁶,Pro-NHEt⁹)-LHRH
H-6642	(Des-Gly¹⁰,D-Pyr¹,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-6168	(Des-Gly¹⁰,D-Ser⁴,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-6172	(Des-Gly¹⁰,Ser(Ac)⁴,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-6636	(Des-Gly¹⁰,D-Trp³,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-4638	(Des-Gly¹⁰,D-Tyr⁵,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-6166	(Des-Pyr¹,Des-Gly¹⁰,D-Leu⁶,Pro-NHEt⁹)-LHRH
H-6398	(D-Leu⁶)-LHRH (1-8) (free acid)
H-4008	(D-Leu⁶,Pro-NHEt⁹)-LHRH (4-9)