Home(5S,18S)-1,22-Diamino-7,16-dioxo-6,8,15,17-tetraazadocosane-5,18-dicarboxylic acid(5S,18S)-1,22-Diamino-7,16-dioxo-6,8,15,17-tetraazadocosane-5,18-dicarboxylic acid