1.CAS NO: 33694-79-0 4-Bromo-1-methyl-1h-pyrrole-2-carbaldehyde
2.CAS NO: 119580-81-3 4-Formyl-1-methyl-1h-pyrrole-2-carbonitrile
3.CAS NO: 847837-34-7 1-Ethyl-2,5-dimethyl-1h-pyrrole-3-carboxylic acid
4.CAS NO: 3807-56-5 2,5-Dimethyl-1-phenyl-1h-pyrrole-3-carboxylic acid
5.CAS NO: 83935-45-9 1-[4-(2,5-Dimethyl-1h-pyrrol-1-yl)phenyl]ethanone
