in a continuation of our studies on the effects of hydrophobic substitutions in analogues of luteinizing hormone-releasing hormone ( lh-rh ) , we have synthesized lh-rh antagonists containing the very hydrophobic amino acid 3- ( 2-naphthyl ) -d-alanine ( d-nal ( 2 ) ) .
C0002520
amino acid
C0001898
alanine