Showing structure for 4-{7-[(2-chloro-1h-indol-3-yl)methyl]-6,12-dihydroxy-3-methoxy-8,10,13,15,17,18-hexamethyl-2,9-dioxo-1-oxa-5,8,11-triazacyclooctadeca-5,11,15-trien-4-yl}phenoxyphosphonic acid