58286-50-3 Phallacidindimethylamide cyclic(L-Alanyl-2-mercapto-L-tryptophyl-4,5-dihydroxy-L-leucyl-L-valyl-2-amino-3-dimethylamido-propanedioyl-L-cysteinyl-cis-4-hydroxy-L-prolyl) cyclic (2-6)-sulfide