You were given a mixture of four liquid compounds A, B, C, and D. When performing a gas chromatography of the mixture the following results are obtained  A =1.378 mins, B =0.621 mins, C = 1.943 mins, and D =2.703 mins.  Arrange the compounds by increasing boiling point: (lowest)   1 > 2 >  3 > 4    (highest)

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