138449-07-7 FK 888 FK-888 L-Alaninamide, (4R)-4-hydroxy-1-((1-methyl-1H-indol-3-yl)carbonyl)-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)- L-Alaninamide, trans-4-hydroxy-1-((1-methyl-1H-indol-3-yl)carbonyl)-L-prolyl-N-methyl-3-(2-naphthalenyl)-N-(phenylmethyl)- N(2)-(4-Hydroxy-1-(1-methyl-1H-indol-3-yl)carbonyl-L-prolyl)-N-methyl-N-phenylmethyl-3-(2-naphthyl)-L-alaninamide