5-dimethylamino-naphthalene-1-sulfonic acid 4-[4-methyl-2-(7-methyl-[1,8]naphthyridin-4-ylamino)-phenylsulfanyl]-phenyl ester   、                                                                                      
三氟乙酸                                                                                                                                                                                                                                                                                                          生成                                                 5-dimethylamino-naphthalene-1-sulfonic acid 4-[4-methyl-2-(7-methyl-[1,8]naphthyridin-4-ylamino)-phenylsulfanyl]-phenyl ester trifluoroacetate