. "18-hydroxymethyl-(18S)-17-oxa-4,14,21-triazahexacyclo[19.6.1.17,14.02,6.08,13.022,27]nonacosa-1(28),2(6),7(29),8(13),9,11,22(27),23,25-nonaene-3,5-dione" . "9" . . . . . . . . . . . . . . . . . . .