IUPAC:(15S,16R,18R)-5-{7-[(15R,17R,18S)-17-carboxy-17-hydroxy-18-methyl-5-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.1^{15,18}.0^{2,6}.0^{7,27}.0^{8,13}.0^{19,26}.0^{20,25}]octacosa-1(26),2(6),7(27),8(13),9,11,20(25),21,23-nonaen-3-yl]heptyl}-16-hydroxy-15-methyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.1^{15,18}.0^{2,6}.0^{7,27}.0^{8,13}.0^{19,26}.0^{20,25}]octacosa-1(26),2(6),7(27),8(13),9,11,20(25),21,23-nonaene-16-carboxylic acid
IUPAC:(15S,16R,18R)-5-{7-[(15R,17R,18S)-17-carboxy-17-hydroxy-18-methyl-5-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.1^{15,18}.0^{2,6}.0^{7,27}.0^{8,13}.0^{19,26}.0^{20,25}]octacosa-1(26),2(6),7(27),8(13),9,11,20(25),21,23-nonaen-3-yl]heptyl}-16-hydroxy-15-methyl-3-oxo-28-oxa-4,14,19-triazaoctacyclo[12.11.2.1^{15,18}.0^{2,6}.0^{7,27}.0^{8,13}.0^{19,26}.0^{20,25}]octacosa-1(26),2(6),7(27),8(13),9,11,20(25),21,23-nonaene-16-carboxylic acid