('CID100005526', 4),cis-4-Aminomethylcyclohexane-1-carboxylic acid
('CID100005526', 4),trans-1-Aminomethylcyclohexane-4-carboxylic acid
('CID100005526', 4),trans-4-Aminomethylcyclohexane-1-carboxylic acid
('CID100005526', 4),TRANS-4-AMINOMETHYLCYCLOHEXANE-1-CARBOXYLIC ACID
('CID100077614', 4),1-Aminomethylcyclohexan-1-ol HCl
('CID100077614', 4),1-aminomethylcyclohexan-1-ol Hydrochloride
('CID100077614', 4),1-Aminomethylcyclohexan-1-ol HCl
('CID100077614', 4),1-Aminomethylcyclohexan-1-ol hydrochloride
ldiff: defaultdict(<type 'list'>, {'CID100077614': [10, 20, 10, 20], 'CID100005526': [24, 26, 26, 26]})
f1: [24, 26, 26, 26]
f2: [10, 20, 10, 20]
c1: Counter({26: 3, 24: 1})
c2: Counter({10: 2, 20: 2})
The chosen was  ... CID100077614