1-Pyrrolebutyric acid, 2,5-dimethyl- 110525-48-9 1H-Pyrrole-1-butanoic acid, 2,5-dimethyl- 2,5-Dimethyl-1H-pyrrol-1-yl-butanoic acid 2,5-Dimetil-1H-pirrol-il-butanoico [Italian]