110417-88-4 B720389K560 DOLASTATIN 10 From Dolabella auricularia (sea hare) L-Valinamide, N,N-dimethyl-L-valyl-N-[2-methoxy-4-[2-[1- methoxy-2-methyl-3-oxo-3-[[2-phenyl-1-(2-thiazolyl)ethyl] amino]propyl]-1-pyrrolidinyl]-1-(1-methylpropyl)-4-oxobutyl]-N-methyl-, [2S-[1[1R*(R*),2S*],2R*[1S*,2S*,3(R*)]]]- NSC376128