array([('ZINC00043096', 'C.3', 'C1', -0.154, 'methyl'), ('ZINC00043096',
    'C.3', 'C2', 0.0638, 'methylene'), ('ZINC00043096', 'C.3', 'C4', 0.0669,
    'methylene'), ('ZINC00090377', 'C.3', 'C7', 0.207, 'methylene')], dtype
    =[('f0', 'S12'), ('f1', 'S3'), ('f2', 'S2'), ('f3', '<f8'), ('f4', 'S9')])
NumPy dtype issues in genfromtxt(), reads string in as bytestring