Chemical Formula: C50H47N15O13S3

2-[(2-{[(14s,17e,31s)-17-ethylidene-12,15,22,29,36,39-hexahydroxy-14-[(1r)-1-hydroxyethyl]-20,31-dimethyl-38,41-dimethylidene-19,43-dioxa-9,26,33-trithia-3,13,16,23,30,37,40,45,46,47,48,49-dodecaazaheptacyclo[40.2.1.1⁸,¹¹.1¹⁸,²¹.1²⁵,²⁸.1³²,³⁵.0²,⁷]nonatetraconta-1(44),2,4,6,8(49),10,12,15,18(48),20,22,25(47),27,29,32(46),34,36,39,42(45)-nonadecaen-4-yl]formamido}-1-hydroxyprop-2-en-1-ylidene)amino]-n-(2-oxopropyl)prop-2-enimidic acid

2-[(2-{[17-ethylidene-12,15,22,29,36,39-hexahydroxy-14-(1-hydroxyethyl)-20,31-dimethyl-38,41-dimethylidene-19,43-dioxa-9,26,33-trithia-3,13,16,23,30,37,40,45,46,47,48,49-dodecaazaheptacyclo[40.2.1.1⁸,¹¹.1¹⁸,²¹.1²⁵,²⁸.1³²,³⁵.0²,⁷]nonatetraconta-1(44),2,4,6,8(49),10,12,15,18(48),20,22,25(47),27,29,32(46),34,36,39,42(45)-nonadecaen-4-yl]formamido}-1-hydroxyprop-2-en-1-ylidene)amino]-n-(2-oxopropyl)prop-2-enimidic acid