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4. 5% OV101, 100°–300° at 6°/min; 5% OV17, 100°–325° at 6°/ min; Carbowax 20M SCOT capillary, 80°–200° at 4%/min.
5. E.C. Uebel, M. Schwartz, R.E. Menzer and R.W. Miller, J. chem. Ecol.4, 73 (1978).