| EMETINE | A white crystalline alkaloid |
| EPHEDRIN | A white crystalline alkaloid used for treating asthma and hay fever (8) |
| EPHEDRA | Gymnosperm shrub that is the source of a white crystalline alkaloid used in the treatment of asthma and hay fever (7) |
| CODEINE | White crystalline alkaloid used as an analgesic, a sedative and to relieve coughing |
| STRYCHNINE | White crystalline alkaloid obtained from the plant nux vomica (10) |
| PROCAINE | A white crystalline powder (trade name Ethocaine) administered near nerves as a local anesthetic in dentistry and medicine. |
| SORBITOL | A white crystalline alcohol used as a sweetener (E420) |
| NAPHTHOL | A white crystalline solid having two isomeric forms, used in dyes and as an antioxidant (8) |
| ASPIRIN | A white crystalline compound usually used in the form of tablets to relieve pain and fever (7) |
| FRUCTOSE | A white crystalline watersoluble sugar occurring in honey and many fruits (8) |
| GLUCOSE | A white crystalline monosaccharide sugar that has several optically active forms |
| NAPHTHALENE | A white crystalline volatile solid used in mothballs and in the manufacture of dyes, explosives, etc |
| CALCIUM | ___ carbonate, a white crystalline salt occurring in limestone (7) |
| ATROPINE | A poisonous crystalline alkaloid extracted from the nightshade family. |
| QUININE | Bitter crystalline alkaloid obtained from cinchona bark, used as a tonic and as an antimalarial drug (7) |
| CAFFEINE | Crystalline alkaloid of the methylxanthine class responsible for the stimulant action of tea, coffee, cocoa etc. (8) |
| EPHEDRINE | Crystalline alkaloid drug obtained from plants such as the Chinese Ma Huang, used to treat respiratory disorders including asthma (9) |
| SUGAR | White crystalline carbohydrate used as a preservative (5) |
| MSG | White crystalline compound used as a food additive to enhance flavor. |
| ARGOL | White crystalline salt deposited as a crust by fermented wine, purified to produce cream of tartar (5) |