L-Proline, (4R,5R)-4,5-dihydroxy-N2-(12-methyl-1-oxotetradecyl)-L-ornithyl-L-threonyl-trans-4-hydroxy-L-prolyl-4-(4-hydroxyphenyl)-L-threonyl-L-seryl-3-hydroxy-4-methyl-, cyclic (6-1)-peptide, (2alpha,3beta,4beta)-