Showing structure for n-[2-({[(1s,2r,3r,4s,5s,6s,8r,9r,10s,13s,16s,17r,18s)-11-ethyl-4,8,9,16-tetrahydroxy-6,18-dimethoxy-11-azahexacyclo[7.7.2.1²,⁵.0¹,¹⁰.0³,⁸.0¹³,¹⁷]nonadecan-13-yl]methoxy}carbonyl)phenyl]ethanimidic acid