1-Butyl-2,4-dinitro-1H-pyrrole 1-Butyl-2,4-dinitropyrrole 1H-Pyrrole, 1-butyl-2,4-dinitro- (9CI) 2881-70-1 BRN 1623869 ORF 1460 Pyrrole, 1-butyl-2,4-dinitro-