('CID100001821', 5),5-Fluorouridine
('CID100001821', 5),5-Fluorouridine
('CID100001821', 5),5-Fluorouridine 97%
('CID100001821', 5),5-Fluorouridine
('CID100001821', 5),5-Fluorouridine
('CID100003159', 5),5'-Deoxy-5-fluorouridine
('CID100003159', 5),5'-Deoxy-5-Fluorouridine (5'-Dfur)
('CID100003159', 5),5'-DEOXY-5-FLUOROURIDINE (5'-DFUR)
('CID100003159', 5),5'-Deoxy-5-fluorouridine
('CID100003159', 5),5'-Deoxy-5-fluorouridine
ldiff: defaultdict(<type 'list'>, {'CID100001821': [0, 0, 4, 0, 0], 'CID100003159': [9, 19, 19, 9, 9]})
f1: [0, 0, 4, 0, 0]
f2: [9, 19, 19, 9, 9]
c1: Counter({0: 4, 4: 1})
c2: Counter({9: 3, 19: 2})
The chosen was ... CID100001821