| # | Species | Formula |
| 6544 | Cerium complex, CCDC: HIDLUB (Geo) | C29H38N5O4S3Ce | |
| 6545 | Cerium complex, CCDC: PIDBAF (Geo) | C11H20N3O6S3Ce | |
| 6546 | Cerium complex, CCDC: GAPFIM (Geo) | H6O13S4Ce | |
| 6547 | Cerium complex, CCDC: FUHFEZ (Geo) | C48H40N3O13S4Ce | |
| 6548 | Cerium complex, CCDC: VACMUI (Geo) | C50H74B4N20O2Ce2 | |
| 6549 | Cerium complex, CCDC: KIPLEA (Geo) | C54H114O6Ce2 | |
| 6550 | Cerium complex, CCDC: SOZLUO (Geo) | C60H126O6Ce2 | |
| 6551 | Cerium complex, CCDC: XEXCUY (Geo) | C56H48N6O14Ce2 | |
| 6552 | Cerium complex, CCDC: CUMCIW (Geo) | C16H28O18Ce2 | |
| 6553 | Cerium complex, CCDC: BABZIN (Geo) | C42H34O20Cl12Ce2 | |
| 6554 | Praseodymium complex, CCDC: GIWWEO (Geo) | C18H27N9Pr | |
| 6555 | Praseodymium complex, CCDC: NPYPRP10 (Geo) | C48H36N12Pr | |
| 6556 | Praseodymium complex, CCDC: KOBRUO (Geo) | C64H32N16Pr | |
| 6557 | Praseodymium complex, CCDC: RUGNOW (Geo) | C27H30B3N18Pr | |
| 6558 | Praseodymium complex, CCDC: MIPTEK (Geo) | C27H27N4O3Pr | |
| 6559 | Praseodymium complex, CCDC: POGWIR (Geo) | C44H67O5Pr | |
| 6560 | Praseodymium complex, CCDC: YOTYUB (Geo) | C45H82N9O5Pr | |
| 6561 | Praseodymium complex, CCDC: PELGOC (Geo) | C27H29N2O6Pr | |
| 6562 | Praseodymium complex, CCDC: VELRUZ (Geo) | C16H38N2O7Pr | |
| 6563 | Praseodymium complex, CCDC: ZULRED (Geo) | C34H34N5O7Pr | |
| 6564 | Praseodymium complex, CCDC: KAWBIT (Geo) | C31H30N8O7Pr | |