19005-95-9 3-Acetyl-2,4,5-trimethyl-pyrrole 5-21-07-00249 (Beilstein Handbook Reference) BRN 0112922 KETONE, METHYL 2,4,5-TRIMETHYLPYRROL-3-YL Methyl 2,4,5-trimethylpyrrol-3-yl ketone