benzoxazole,chlorophenyl,piperazinyl,1-piperazin,1-piperazinyl,benzoxazol,oxazole,oxazole,
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
220544-87-6L-Tyrosine, 1-[(phenylmethyl)sulfonyl]-L-prolyl-,4-methyl-1-piperazinecarboxylate (ester)
112984-60-86-Fluoro-1-methyl-4-oxo-7-(1-piperazinyl)-4H-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
217094-22-9N-[6-Methyl-2,4-bis(methylsulfanyl)-3-pyridinyl]-2-[4-[2-(oxazolo[4,5-b]pyridin-2-ylsulfanyl)ethyl]-1-piperazinyl]acetamide