140941-86-2 2-Amino-1,4-dihydro-4-(2-(4-(4-(2-methoxyphenyl)-1-piperazinyl)butylsulfinyl)phenyl)-6-methyl-5-nitro-3-pyridinecarboxylic acid methyl ester 3-Pyridinecarboxylic acid, 2-amino-1,4-dihydro-4-(2-((4-(4-(2-methoxyphenyl)-1-piperazinyl)butyl)sulfinyl)phenyl)-6-methyl-5-nitro-, methyl ester XB 513 XB-513