IUPAC:3-[(3S,6S,12S)-12-(2-carboxyethyl)-2,5,11,14-tetraoxo-1,4,10,13-tetraazatricyclo[13.3.0.0^{6,10}]octadecan-3-yl]propanoic acid
IUPAC:3-[(3S,6S,12S)-12-(2-carboxyethyl)-2,5,11,14-tetraoxo-1,4,10,13-tetraazatricyclo[13.3.0.0^{6,10}]octadecan-3-yl]propanoic acid