... CHCl3d. C6H5Cle. CH2=CH-CH2Clf. CH2Cl2A. 1-d, 2-c, 3-e, 4-b, 5-a. B. 1-d, 2-f, 3-b, 4-e, 5-c.C. 1-d, 2-f, 3-e, 4-b, 5-a. D. 1-d, 2-f, 3-e, 4-b, 5-c.44. 1, 4- imetylbenzen có mấy nguyên ... làA. p-CH3-C6H4Br, p-CH2Br-C6H4Br, p-CH2OH-C6H4Br, p-CH2OH-C6H4OHB. p-CH2Br-C6H5, p-CH2Br-C6H4Br, p-CH2OH-C6H4Br, p-CH2OH-C6H4OHC. p-CH2Br-C6H5, ... p-CH2Br-C6H5, p-CH2Br-C6H4Br, p-CH3-C6H4OH, p-CH2OH-C6H4OHD. p-CH3-C6H4Br, p-CH2Br-C6H4Br, p-CH2Br-C6H4OH, p-CH2OH-C6H4OH49. Alanin (axit α-amino propionic)...