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Table 4

Molecular transitions used in Case 1, Case 2, and Case 3.

Case 1

c-C3H2 CH3OH Ratio
B68 202–111 202–101 50/50
L1521E 202–111 202–101 45/55
L1544 32,2−31,3 202−101 42/58

Case 2

c-C3H2 CH3CCH Ratio
B68 202–111 50−40, 51−41 57/43
L1521E 202–111 50−40, 51−41, 60−50 45/55
L1544 32,2–31,3 61−51 46/54

Case 3

CH3OH CH3CCH Ratio
B68 202−101 50−40, 51−41 57/43
L1521E 202−101 50−40, 51−41,60−50 50/50
L1544 202−101 61-51 54/46

Notes. For Case 4, the transitions from Case 1 and Case 2 are combined for each core. Additionally, the ratio of data points for c-C3H2 to CH3 OH (Case 1), c-C3H2to CH3CCH (Case 2), and CH3OH to CH3CCH (Case 3) in each dataset is given as percentages.

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