17466-45-4 Cyclic(L-alanyl-D-threonyl-L-cysteinyl-cis-4-hydroxy-L-prolyl-L-alanyl-2-mercapto-L-tryptophyl-4,5-dihydroxy-L-leucyl), cyclic (3.fwdarw.6)-sulfide NSC523214 Phalloidin Phalloidine