70789-48-9 L-Valine, L-threonyl-D-valyl-L-prolyl-N-methylglycyl-N-methyl-,xi-lactone, (1-5),(1'-7)-diamide with 3-(2-carboxyethyl)-10,12-dimethyl-2-oxo-2H,6H-1,4-oxazino(3,2-b)phenoxazine-5,7-dicarboxylic acid