| 585 / | HD | CHEMISTRY OF HYDROCARBON COMPOUNDS |
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| * |  | SPECIAL CHEMICAL CONSIDERATIONS {9} |
| 930 | DF | .~> Process including synthesis of nonhydrocarbon intermediate {5} |
| 940 | DF | .~> Opening of hydrocarbon ring |
| 941 | DF | .~> Isotope exchange process |
| 942 | DF | .~> Production of carbonium ion or hydrocarbon free-radical |
| 943 | DF | .~> Synthesis from methane or inorganic carbon source, e.g., coal, etc. |
| 944 | DF | .~> Radiation-resistant composition |
| 945 | DF | .~> Product is drying oil |
| 946 | DF | .~> Product is waxy polymer |
| 947 | DF | .~> Terpene manufacture or recovery |