Showing structure for n-[2-({[(2s,3r,4s,5r,6s,8r,13s,16s,17r,18s)-11-ethyl-4,8,9-trihydroxy-6,16,18-trimethoxy-11-azahexacyclo[7.7.2.1²,⁵.0¹,¹⁰.0³,⁸.0¹³,¹⁷]nonadecan-13-yl]methoxy}carbonyl)phenyl]ethanimidic acid