| 물질명 |
Tar Bases, Coal, Collidine Fraction; Distillate Bases; [The Distillation Fraction Boiling In The Range Of Approximately 181 캜 To 186 캜 (356 캟 To 367 캟) From The Crude Bases Obtained From The Neutralized, Acid-Extracted Base-Containing Tar Fractions |