piperazineacetic,ethyl,alpha,1-piperazin,1-piperazineacetic,piperazine
1-Piperazin
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid
83742-47-61,2-Propanediol, 3-(4-phenyl-1-piperazinyl)-, mono(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purine-7-propanesulfonate) (salt)