('CID100005601', 5),2-Thenoyltrifluoroacetone
('CID100005601', 5),.alpha.-Thenoyltrifluoroacetone
('CID100005601', 5),alpha-Thenoyltrifluoroacetone
('CID100005601', 5),Thenoyltrifluoroacetone
('CID100005601', 5),THENOYLTRIFLUOROACETONE
('CID105488991', 3),Europium Thenoyltrifluoroacetonate
('CID105488991', 3),Tris(2-thenoyltrifluoroacetonate)europium
('CID105488991', 3),Europium thenoyltrifluoroacetonate
ldiff: defaultdict(<type 'list'>, {'CID100005601': [2, 8, 6, 0, 0], 'CID105488991': [11, 18, 11]})
f1: [2, 8, 6, 0, 0]
f2: [11, 18, 11]
c1: Counter({0: 2, 8: 1, 2: 1, 6: 1})
c2: Counter({11: 2, 18: 1})
The chosen was ... CID100005601