('CID100019001', 4),1,4-Dithioerythritol
('CID100019001', 4),1,4-Dithioerythritol
('CID100019001', 4),Dithioerythritol
('CID100019001', 4),Dithioerythritol
('CID100027682', 2),oxidized dithioerythritol
('CID100027682', 2),Oxidized dithioerythritol
ldiff: defaultdict(<type 'list'>, {'CID100019001': [4, 4, 0, 0], 'CID100027682': [9, 9]})
f1: [4, 4, 0, 0]
f2: [9, 9]
c1: Counter({0: 2, 4: 2})
c2: Counter({9: 2})
The chosen was ... CID100019001