Table 2 Organic compounds detected in the Murchison carbonaceous chondrite
| Class | Concentration (parts per million) | Compounds identified |
|---|---|---|
| Aliphatic hydrocarbons | >35 | 140 |
| Aromatic hydrocarbons | 22 | 87 |
| Polar hydrocarbons | <120 | 10 |
| Carboxylic acids | >300 | 48 |
| Amino acids | 60 | 74 |
| Hydroxy acids | 15 | 38 |
| Dicarboxylic acids | >30 | 44 |
| Dicarboximides | >50 | 2 |
| Pyridine carboxylic acids | >7 | 7 |
| Sulfonic acids | 67 | 4 |
| Phosphonic acids | 2 | 4 |
| N-Heterocycles | 7 | 31 |
| Amines | 13 | 20 |
| Amides | Nd | 27 |
| Polyols | 30 | 19 |
| Imino acids | nd | 10 |
| Total | 778 | 565 |