58286-49-0 Phallacidinmethylamide cyclic(L-Alanyl-2-mercapto-L-tryptophyl-4,5-dihydroxy-L-leucyl-L-valyl-2-amino-3-methylamido-propanedioyl-L-cysteinyl-cis-4-hydroxy-L-prolyl)cyclic (2-6)-sulfide