. "11-(2-fluoroethyl)-22-methyl-(2S)-14-oxa-11,22-diazaheptacyclo[13.9.1.01,13.02,21.04,12.05,10.019,25]pentacosa-4(12),5(10),6,8,15(25),16,18-heptaene-2,16-diol" . "15e" . . . . . . . .