W1Z w1z (2~{S})-3-(1~{H}-indol-3-yl)-2-[2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-tricosakis(fluoranyl)dodecanoylamino]propanoic acid W1Z