('CID100006180', 6),N-Acetylmethionine ('CID100006180', 6),N-Acetylmethionine ('CID100006180', 6),N-acetylmethionine ('CID100006180', 6),N-Acetylmethionine ('CID100006180', 6),N-Acetylmethionine ('CID100006180', 6),N-Acetylmethionine ('CID100193368', 5),N-acetylmethionine Sulfoxide ('CID100193368', 5), N-Acetylmethionine sulfoxide ('CID100193368', 5),N-Acetylmethionine sulfoxide ('CID100193368', 5),N-Acetylmethionine sulfoxide ('CID100193368', 5),N-Acetylmethionine sulfoxide ldiff: defaultdict(, {'CID100006180': [0, 0, 0, 0, 0, 0], 'CID100193368': [10, 11, 10, 10, 10]}) f1: [0, 0, 0, 0, 0, 0] f2: [10, 11, 10, 10, 10] c1: Counter({0: 6}) c2: Counter({10: 4, 11: 1}) The chosen was ... CID100006180 ('CID100449190', 2),(R,S)-Mesopram ('CID100449190', 2),[R]-Mesopram ('CID105287536', 1),(R)-MESOPRAM ldiff: defaultdict(, {'CID100449190': [2, 0], 'CID105287536': [0]}) f1: [2, 0] f2: [0] c1: Counter({0: 1, 2: 1}) c2: Counter({0: 1})