(3R,5S,8S,15E)-8-cyclopentyl-N-[(1R,2S)-1-(cyclopropylsulfonylcarbamoyl)-2-ethenylcyclopropyl]-7-oxo-2-oxa-6,9,23-triazatetracyclo[15.6.2.13,6.020,24]hexacosa-1(23),15,17(25),18,20(24),21-hexaene-5-carboxamide   、                                                                                      
三氟乙酸                                                                                                                                                                                              以
                                                                                         
水   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        以92 mg的产率得到(2R,4S,7S,14E)-7-cyclopentyl-4-({(1R,2S)-1-[(cyclopropylsulfonyl)carbamoyl]-2-ethenylcyclopropyl}carbamoyl)-6-oxo-3,4,6,7,8,9,10,11,12,13-decahydro-2H-16,18-etheno-2,5-methanopyrido[3,2-r][1,5,8]oxadiazacyclononadecin-8-ium trifluoroacetate