. "(2-aminoethyl)({[(1S,12S,14R)-9-methoxy-4-methyl-11-oxa-4-azatetracyclo[8.6.1.0^{1,12}.0^{6,17}]heptadeca-6,8,10(17),15-tetraen-14-yl]oxy}(4-nitrophenoxy)phosphoryl)amine" . "17" . . . . . . . . . . . . . . . . . . . . . . .