112997-61-2 4-((4-(Aminosulfonyl)phenyl)amino)-4-oxobutanoic acid compd. with piperidine (1:1) BUTANOIC ACID, 4-((4-(AMINOSULFONYL)PHENYL)AMINO)-4-OXO-, compd. with PIPERIDINE Butanoic acid, 4-((4-(aminosulfonyl)phenyl)amino)-4-oxo-, compd. with piperidine (1:1)