Showing structure for 9-ethyl-4,25-dihydroxy-12-(1-hydroxyethyl)-3,16-dimethyl-13-oxa-20-azatetracyclo[16.6.1.0⁵,²⁴.0²¹,²⁵]pentacosa-1(24),2,4,10,16,21-hexaene-6,14,15,19,23-pentone