aliphatic amine,aliphaticamine

based on the substitution of the aliphatic nitrogen2o amines
synthesis, polymerization, and properties of certain aliphatic
【预订】organic chemistry: chemistry of the aliphatic series, 2d
assessment of aliphatic–aromatic copolyester biodegradable
aliphatic polyurethane hard leather varnish pu-565 (1).jpg