benzhydryl,piperazinyl,ethyl,acetoacetate,1-piperazin,1-piperazinyl
1-Piperazin
648411-81-81H-Thieno[3,2-c]pyrazole-5-carboxamide,N-ethyl-3-[[4-(4-methyl-1-piperazinyl)benzoyl]amino]-, dihydrochloride
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid