PIPES 钠盐PIPES sodium salt1,4-哌嗪二乙磺酸 钠盐哌嗪-N,N′-双(2-乙磺酸) 钠盐piperazine-N,N'-bis(2-ethanesulfonic acid) sodium salt1,4-Piperazinediethanesulfonic acid, sodium salt (1:1)PIPES monosodium salt1,4-piperazinediethanesulfonic acid sodium salt1,4-Piperazinediethanesulfonic acid, monosodium saltSodium hydrogen piperazine-1,4-diethanesulphonatemonosodium PIPESsodium PIPESPiperazine-1,4-diethanesulfonate, sodium saltPIPES monosodium