('CID109861019', 4),Carbamicacid, (1-oxiranyl-2-phenylethyl)-, phenylmethyl ester, [R-(R*,S*)]-
('CID109861019', 4), Carbamicacid, [(1S)-1-(2R)-oxiranyl-2-phenylethyl]-, phenylmethyl ester (9CI)
('CID109861019', 4),Carbamicacid, (1-oxiranyl-2-phenylethyl)-, phenylmethyl ester, [S-(R*,R*)]-
('CID109861019', 4),Carbamicacid, [(1S)-1-(2S)-oxiranyl-2-phenylethyl]-, phenylmethyl ester (9CI)
('CID101501847', 3),(S)-Piperidin-3-ylmethyl-carbamicacid tert-butyl ester
('CID101501847', 3),(R)-Piperidin-3-ylmethyl-carbamicacid tert-butyl ester
('CID101501847', 3),S-Piperidin-3-ylmethyl-carbamicacid tert-butyl ester
ldiff: defaultdict(<type 'list'>, {'CID101501847': [42, 42, 40], 'CID109861019': [63, 66, 63, 65]})
f1: [63, 66, 63, 65]
f2: [42, 42, 40]
c1: Counter({63: 2, 65: 1, 66: 1})
c2: Counter({42: 2, 40: 1})
The chosen was  ... CID101501847