formaldehyde,reactionproducts,butylamine,piperazineethanamine,1-piperazin,piperazine
1-Piperazin
87203-81-41-Piperazineethanol, 4-(2-(3,4-dimethoxyphenyl)-1-(4-methylphenyl)ethy l)-, dihydrochloride
63422-71-9(D-)-alpha-[[(4-Ethyl-2,3-dioxo-1-piperazinyl) carbonyl]amino]-2-(4-hydroxyphenyl) acetic acid