(S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethanamine N-acetyl-L-leucinate;
(S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethylamine N-acetyl -L-leucine salt;
(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methanesulfonyl)ethylamine N-acetyl-L-leucine salt;
L-Leucine, N-acetyl-, compd. with (αS)-3-ethoxy-4-methoxy-α-[(methylsulfonyl)methyl]benzenemethanamine (1:1);
(S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethylamine N-acetyl-L-leucine salt;
(1S)-1-(3-Ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethanaminium (2S)-2-acetamido-4-methylpentanoate;