IUPAC: 2-[34-(butan-2-yl)-8,22-dihydroxy-13-(3-hydroxybutan-2-yl)-2,5,11,14,27,30,33,36,39-nonaoxo-27lambda4-thia-3,6,12,15,25,29,32,35,38-nonaazapentacyclo[14.12.11.0^{6,10}.0^{18,26}.0^{19,24}]nonatriaconta-18(26),19,21,23-tetraen-4-yl]acetic acid
IUPAC: 2-[34-(butan-2-yl)-8,22-dihydroxy-13-(3-hydroxybutan-2-yl)-2,5,11,14,27,30,33,36,39-nonaoxo-27lambda4-thia-3,6,12,15,25,29,32,35,38-nonaazapentacyclo[14.12.11.0^{6,10}.0^{18,26}.0^{19,24}]nonatriaconta-18(26),19,21,23-tetraen-4-yl]acetic acid