A 804598;N-Cyano-N′′-[(1S)-1-phenylethyl]-N′-5-quinolinyl-guanidine;1-cyano-2-[(1S)-1-phenylethyl]-3-quinolin-5-ylguanidine;2-Cyano-1-[(1S)-1-phenylethyl]-3-(5-quinolinyl)guanidine;A-804598 ((A 804598;CS-2234;Guanidine, N-cyano-N''-[(1S)-1-phenylethyl]-N'-5-quinolinyl-;S-2-Cyano-1-(1-phenylethyl)-3-(quinolin-5-yl)guanidine