... , the pigment characteristics with dyes. Two DMF for aromatics extraction and separation for recovery of butadiene from carbon four ... pyrimidine, doxycycline, cortisone, vitamin B6, Idoxuridine, monopar, antiminth, N- formylmerphalan, sarcolysin, 3P, Bian mustine, CCNU, FT-207, ... formamide (acid amide) two methyl substituents and two methyl groups are located in the n (n) atom. Two methyl formamide is ...