2,5,11,14-Tetraazapentadecanoic acid,3-(2-amino-2-oxoethyl)-7-hydroxy-9-methyl-12-(1-methylethyl)-6-(2-methylpropyl)-4,10,13-trioxo-15-phenyl-, 1,1-dimethylethyl ester,(3S,6S,7S,9R,12S)- [ 364635-80-3 ]