benzoxazole,piperazinyl,ethyl,trifluoromethyl,trifluoroacetate,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
220544-36-5L-Tyrosine, 1-[(4-methylphenyl)sulfonyl]-L-prolyl-, 2,2-dimethylpropylester, 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