Experimental spectra for the monoisotopic selection and fragmentation of lithium-cationized 2α-mannobiose and 3α-mannobiose using argon as the collision gas (550 ms pulse): a) 2α-mannobiose, SORI: time = 500 ms, amplitude = 1.8 V b) 2α-mannobiose, RE: time = 10 μs, amplitude = 105 V c) 2α-mannobiose, SORI-RE: SORI time = 500 ms, amplitude = 1.8 V, 20 ms time gap, RE time = 10 μs, amplitude = 105 V d) 3α-mannobiose, SORI: time = 500 ms, amplitude = 1.5 V e) 3α-mannobiose, RE: time = 10 μs, amplitude = 105 V f) 3α-mannobiose, SORI-RE: SORI time = 500 ms, amplitude = 1.5 V, 20 ms time gap, RE time = 10 μs, amplitude = 105 V.