tert-Butyl 4-{[5-(2-ethoxy-2-oxoethyl)-4H-1,2,4-triazol-3-yl]methyl}piperazine-1-carboxylate 1g

tert-Butyl 4-{[5-(2-ethoxy-2-oxoethyl)-4H-1,2,4-triazol-3-yl]methyl}piperazine-1-carboxylate 1g