IUPAC:(10S)-10-ethyl-5,9-dioxo-23-pentyl-8-oxa-4,15,21,23-tetraazahexacyclo[14.7.1.0^{2,14}.0^{4,13}.0^{6,11}.0^{20,24}]tetracosa-1(24),2(14),6(11),12,15,17,19,21-octaen-10-yl 2-(2-amino-N-methylacetamido)acetate
IUPAC:(10S)-10-ethyl-5,9-dioxo-23-pentyl-8-oxa-4,15,21,23-tetraazahexacyclo[14.7.1.0^{2,14}.0^{4,13}.0^{6,11}.0^{20,24}]tetracosa-1(24),2(14),6(11),12,15,17,19,21-octaen-10-yl 2-(2-amino-N-methylacetamido)acetate