1926163-23-6 (Leuprolide (Leuprorelin) EP Impurity E,(Des-Gly10,D-Trp3,D-Leu6,Pro-NHEt9)-LHRH Trifluoroacetate)

(Des-Gly10,D-Trp3,D-Leu6,Pro-NHEt9)-LHRH Trifluoroacetate;

VIKVLAJTEHLRFY-IOXBEFLLSA-N

1S/C59H84N16O12.C2HF3O2/c1-6-63-57(86)48-14-10-22-75(48)58(87)41(13-9-21-64-59(60)61)68-51(80)42(23-32(2)3)69-52(81)43(24-33(4)5)70-53(82)44(25-34-15-17-37(77)18-16-34)71-56(85)47(30-76)74-54(83)45(26-35-28-65-39-12-8-7-11-38(35)39)72-55(84)46(27-36-29-62-31-66-36)73-50(79)40-19-20-49(78)67-40;3-2(4,5)1(6)7/h7-8,11-12,15-18,28-29,31-33,40-48,65,76-77H,6,9-10,13-14,19-27,30H2,1-5H3,(H,62,66)(H,63,86)(H,67,78)(H,68,80)(H,69,81)(H,70,82)(H,71,85)(H,72,84)(H,73,79)(H,74,83)(H4,60,61,64);(H,6,7)/t40-,41-,42-,43+,44-,45+,46-,47-,48-;/m0./s1

FC(C(=O)O)(F)F.O=C([C@H](CCC/N=C(\N)/N)NC([C@H](CC(C)C)NC([C@@H](CC(C)C)NC([C@H](CC1C=CC(=CC=1)O)NC([C@H](CO)NC([C@@H](CC1=CNC2C=CC=CC1=2)NC([C@H](CC1=CN=CN1)NC([C@@H]1CCC(N1)=O)=O)=O)=O)=O)=O)=O)=O)N1CCC[C@H]1C(NCC)=O