Distinguishability of binary extreme-mass-ratio inspirals in low frequency band Ye Jiang, Wen-Biao Han, Xing-Yu Zhong, Ping Shen, Zi-Ren Luo and Yue-Liang Wu Eur. Phys. J. C, 84 5 (2024) 478 Published online: 08 May 2024 DOI: 10.1140/epjc/s10052-024-12841-3