Ethyl 2-methyl-4-{N-[(2'-[N-triphenylmethyl-1H-tetrazol-5-yl]biphenyl-4-yl)methyl]amino}pyrimidine-5-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
盐酸   、                                                                                                  lithium hydroxide                                                                                                                                  作用下,
                                                                                                                                                                                                                            以92%的产率得到2-Methyl-4-{N-[(2'-[1H-tetrazol-5-yl]biphenyl-4-yl)methyl]amino}pyrimidine-5-carboxylic acid hydrochloride