pyrrole

N สารประกอบ ที่ เป็น ส่วนประกอบ ของ คลอโรฟิลล์ 

pyrrole

pyr role |ˈpirˌōl ˈpɪroʊl | ▶noun Chemistry a weakly basic sweet-smelling liquid compound present in bone oil and coal tar. [A heteroaromatic compound; chem. formula: C 4 H 4 NH. ] ORIGIN mid 19th cent.: from Greek purrhos ‘reddish ’ + Latin oleum ‘oil. ’

pyrrole

pyrrole |ˈpɪrəʊl | ▶noun [ mass noun ] Chemistry a weakly basic sweet-smelling liquid compound present in coal tar. ●A heteroaromatic compound; chem. formula: C 4 H 4 NH. ORIGIN mid 19th cent.: from Greek purrhos ‘reddish ’ + Latin oleum ‘oil ’.