3NH21641O17NH21819202122NH2324NH25NH22613O14NH1227152829NH3031NH32H2N3310O11N9343536376O7N3839840HO414243O44NH45464748495051S(Z)(Z)52NHO553545556HO57O58OH1O23F4F5F6OH7H1OH23D-ArgArg45Pro6Hyp7GlyThi89Ser3