5-溴尿苷, 5-Bromouridine

(E)-5-(2-溴乙烯基)-2'-脱氧核苷, Brivudine

反式,反式-1,3-丁二烯-1,4-二羧酸, trans,trans-1,3-Butadiene-1,4-dicarboxylic acid

(2R,3R)-(-)-2,3-丁二醇, (2R,3R)-(-)-2,3-Butanediol

3-丁烯-1-胺, 3-Buten-1-amine

4-正丁氧基苯硼酸, 4-n-Butoxybenzeneboronic acid

(叔丁氧基羰基亚甲基)三苯基磷烷, (tert-Butoxycarbonylmethylene)triphenylphosphorane

4-正丁氧基苯酚异氰酸酯, 4-n-Butoxyphenyl isocyanate

叔丁氧基 N-氨基甲酸丙烯, tert-Butyl N-Allylcarbamate

4-正丁基苯甲酰胺, 4-n-Butylbenzamide