the covid-19 epidemic has brought benefits to the pyrrole industry, prompting its demand to grow
pyrrole (1-aza-2,4-cyclopentadiene) is one of the heterocyclic compounds, with the molecular formula c4h5n, molecular weight 67.09, cas number 109-97-7, melting point -23°c, boiling point 129-131°c, d…
