IUPAC:4-[(4-{[(2S)-1-{[(1S,2R,3S,5S,6S,16Z,18E,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.1^{10,14}.0^{3,5}]hexacosa-10,12,14(26),16,18-pentaen-6-yl]oxy}-1-oxopropan-2-yl](methyl)carbamoyl}-2-methylbutan-2-yl)disulfanyl]-2-sulfobutanoic acid
IUPAC:4-[(4-{[(2S)-1-{[(1S,2R,3S,5S,6S,16Z,18E,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.1^{10,14}.0^{3,5}]hexacosa-10,12,14(26),16,18-pentaen-6-yl]oxy}-1-oxopropan-2-yl](methyl)carbamoyl}-2-methylbutan-2-yl)disulfanyl]-2-sulfobutanoic acid