YM-14673

Azetirelin

Nα-[(S)-4-Oxo-2-azetidinyl]carbonyl-L-His-L-Pro-NH2

Nα-[[(S)-4-Oxo-2-azetidinyl]carbonyl]-L-His-L-Pro-NH2

1-[Nα-[[(S)-4-Oxo-2-azetidinyl]carbonyl]-L-histidyl]-L-prolinamide