PHENYLPROPANOIC ACID N,N-DIMETHYL-L-VALYL-L-VALYL-(3R,4S,5S)-3-METHOXY-5-METHYL-4-(METHYLAMINO)HEPTANOYL-(AR,BETAR,2S)-SS-METHOXY-A-METHYL-2-PYRROLIDINEPROPANOYL-A-HYDROXY-,(AS)-