('CID100003413', 7),forskolin
('CID100003413', 7),Forskolin from coleus forskohlii
('CID100003413', 7),forskolin
('CID100003413', 7),Forskolin
('CID100003413', 7),(-)-Forskolin
('CID100003413', 7),Forskolin, Coleus forskohlii
('CID100003413', 7),forskolin/ rolipram mixture
('CID100130638', 5),7-Mpb-forskolin
('CID100130638', 5),Dmpb-forskolin
('CID100130638', 5),Dmpb-forskolin
('CID100130638', 5),7B-Forskolin
('CID100130638', 5),Forskolin, 7-Deacetyl-7-[O-(N-methylpiperazino)-gamma-butyryl]-, Dihydrochloride
ldiff: defaultdict(<type 'list'>, {'CID100003413': [0, 23, 0, 0, 4, 19, 18], 'CID100130638': [6, 5, 5, 3, 71]})
f1: [0, 23, 0, 0, 4, 19, 18]
f2: [6, 5, 5, 3, 71]
c1: Counter({0: 3, 18: 1, 19: 1, 4: 1, 23: 1})
c2: Counter({5: 2, 3: 1, 6: 1, 71: 1})
The chosen was ... CID100003413