trichotoxin A 50E;L-Glutamamide, N-acetyl-2-methylalanylglycyl-2-methylalanyl-L-leucyl-2-methylalanyl-L-glutaminyl-2-methylalanyl-2-methylalanyl-2-methylalanyl-L-alanyl-L-alanyl-2-methylalanyl-L-prolyl-L-leucyl-2-methylalanyl-2-methylalanyl-N1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-