('CID102761815', 5),Biphenylalanine ('CID102761815', 5),Biphenylalanine ('CID102761815', 5),Biphenylalanine ('CID102761815', 5),L-4,4'-Biphenylalanine ('CID102761815', 5),D-4,4'-Biphenylalanine ('CID102761796', 4),N-tert-Boc-L-biphenylalanine ('CID102761796', 4),BOC-D-4,4'-BIPHENYLALANINE ('CID102761796', 4),Boc-D-4,4-Biphenylalanine ('CID102761796', 4),BOC-D-4,4'-BIPHENYLALANINE ldiff: defaultdict(, {'CID102761815': [0, 0, 0, 7, 7], 'CID102761796': [13, 11, 10, 11]}) f1: [0, 0, 0, 7, 7] f2: [13, 11, 10, 11] c1: Counter({0: 3, 7: 2}) c2: Counter({11: 2, 10: 1, 13: 1}) The chosen was ... CID102761815