Chemical Formula: C53H45N13O15S5

2-{[hydroxy({2-[(1s,18s,21e,28s,29s,30s)-9,16,19,26,46-pentahydroxy-18-[(1r)-1-hydroxyethyl]-30-methoxy-21-(1-methoxyethylidene)-31,42-dioxo-32,43,54-trioxa-3,13,23,49-tetrathia-7,17,20,27,45,51,52,55,56,57-decaazadecacyclo[26.16.6.2²⁹,⁴⁰.1²,⁵.1¹²,¹⁵.1²²,²⁵.1³⁸,⁴¹.1⁴⁷,⁵⁰.0⁶,¹¹.0³⁴,³⁹]heptapentaconta-2(57),4,6(11),7,9,12(56),14,16,19,22(55),24,26,34(39),35,37,40,45,47,50-nonadecaen-8-yl]-1,3-thiazol-4-yl})methylidene]amino}prop-2-enimidic acid