Showing structure for n-[(3r,7r,10s,12s,17s,18r,21r,22s,23r,25s,29s)-14,18,23-trihydroxy-9,9,18,23,25-pentamethyl-5,19,24-trioxo-4,8,16,20,28-pentaoxaoctacyclo[13.12.1.1¹⁵,²².0¹,¹³.0³,⁷.0³,¹⁰.0¹⁷,²¹.0²⁵,²⁹]nonacos-13-en-12-yl]ethanimidic acid