3,6-bis(N,N-dimethyl-2',6'-dimethyltyrosyl-1,2,3,4-tetrahydro-3-isoquinolineamidopropyl)-2(1H)-pyrazinone
3,6-bis(n,n-dimethyl-2',6'-dimethyltyrosyl-1,2,3,4-tetrahydro-3-isoquinolineamidopropyl)-2(1h)-pyrazinone