| # | Species | Formula |
| 6776 | Europium complex, CCDC: CEYRON (Geo) | C6H14N3O13Eu | |
| 6777 | Europium complex, CCDC: GACJOJ (Geo) | C24H24N7O13Eu | |
| 6778 | Europium complex, CCDC: QIMREJ (Geo) | C22H36N13O13Eu | |
| 6779 | Europium complex, CCDC: KELNOE (Geo) | C8H13O14Eu | |
| 6780 | Europium complex, CCDC: BEKWUJ (Geo) | C10H20N3O14Eu | |
| 6781 | Europium complex, CCDC: PITCUQ (Geo) | C6H13N12O14Eu | |
| 6782 | Europium complex, CCDC: BAPXAR (Geo) | C12H12O15Eu | |
| 6783 | Europium complex, CCDC: DOFXIF (Geo) | C12H12O15Eu | |
| 6784 | Europium complex, CCDC: PHASEU (Geo) | N5O15Eu | |
| 6785 | Europium complex, CCDC: XIHQIO (Geo) | C30H42N7O15Eu | |
| 6786 | Europium complex, CCDC: WELBUK (Geo) | H2N5O16Eu | |
| 6787 | Europium complex, CCDC: QALFEO (Geo) | C12H30N3O18Eu | |
| 6788 | Europium complex, CCDC: SUXXIS (Geo) | N6O18Eu | |
| 6789 | Europium complex, CCDC: LEJTAV (Geo) | C12H16N6O20Eu | |
| 6790 | Europium complex, CCDC: QIQHAZ (Geo) | C23H21N10O25Eu | |
| 6791 | Europium complex, CCDC: KAKPAN (Geo) | C36H31N6O8F9Eu | |
| 6792 | Europium complex, CCDC: MASKAS (Geo) | C44H32O8F12Eu | |
| 6793 | Europium complex, CCDC: KAFDOK (Geo) | C21H17O9F18Eu | |
| 6794 | Europium complex, CCDC: GEBYAN (Geo) | C38H36N3O12P2Eu | |
| 6795 | Europium complex, CCDC: MIHNOG (Geo) | C51H30O8F21P2Eu | |
| 6796 | Europium complex, CCDC: QUBWUF (Geo) | C12H32N3O23P4Eu | |