piperazineethanamine,polymer,ethyloxirane,1-piperazin,piperazine
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
874369-53-61-Piperazinecarboxylic acid,4-[[5-[(hexahydro-1H-azepin-1-yl)sulfonyl]-1H-indol-2-yl]carbonyl]-, ethylester