RPSubAlign: a novel sequence-based molecular representation method for retrosynthesis prediction with improved validity and robustness. - Hu, Yuting; Hu, Feng; Zhang, Hongwen; Xu, Hongling; Gao, Jixiang; Deng, Wenshuai; Tian, Zijing; Hu, Qiaoyu; Li, Honglin; Diao, Yanyan (Briefings in Bioinformatics, 2025)