Table 1
| Off-peak | Peak |
| Molecule | Observed | Model | Observed | Model |
| H2 | ... | 6.5 (21) | ... | 8.6 (22) |
| H | ... | 1.4 (21) | ... | 1.9 (22) |
| C+ | < 2.4 (18) | 5.1 (17) | 9.0 (18) | 6.9 (18) |
| C | 1.0 (17) | 4.7 (16) | 2.9 (17) | 6.4 (17) |
| CO | 5.0 (17) | 1.1 (18) | 6.5 (18) | 1.5 (19) |
| C18O | 1.0 (15) | 8.9 (14) | 1.3 (16) | 1.2 (16) |
| CS | 1.5 (13) | 2.7 (13) | 1.5 (15) | 3.7 (14) |
| CN | 8.0 (13) | 3.8 (13) | 4.0 (14) | 5.1 (14) |
| HCN | 1.3 (13) | 1.2 (13) | 3.0 (14) | 1.6 (14) |
| HNC | 5.0 (12) | 2.7 (12) | 6.0 (13) | 3.7 (13) |
| HCO+ | 1.5 (13) | 2.6 (12) | 2.0 (14) | 3.5 (13) |
| H13CO+ | ... | 6.3 (10) | 3.0 (12) | 8.5 (11) |
| H2CO | 1.2 (13) | 6.0 (12) | 4.0 (14) | 8.2 (13) |
| C2H | 3.0 (13) | 3.6 (13) | 1.3 (14) | 4.9 (14) |
| NO | ... | 1.3 (13) | 1.5 (14) | 1.8 (14) |
| H2S | 8.9 (12) | 1.4 (11) | 3.9 (14) | 2.0 (12) |
| SO | < 2.5 (13) | 1.5 (13) | 6.0 (14) | 2.0 (14) |
| SO2 | < 9.0 (11) | 6.5 (11) | 8.0 (12) | 8.8 (12) |
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