| D007664 |
Ketosteroids |
Steroid derivatives formed by oxidation of a methyl group on the side chain or a methylene group in the ring skeleton to form a ketone. |
Oxosteroids |
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| D008722 |
Methods |
A series of steps taken in order to conduct research. |
Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique |
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| D004962 |
Estranes |
A group of compounds forming the nucleus of the estrogenic steroid family. |
19-Norandrostanes,19 Norandrostanes |
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| D006914 |
Hydroxysteroids |
Steroids in which one or more hydroxy groups have been substituted for hydrogen atoms either within the ring skeleton or on any of the side chains. |
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| D013055 |
Spectrophotometry, Infrared |
Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measurement of absorption spectra associated with rotational and vibrational energy levels of molecules. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
IR Spectra,Infrared Spectrophotometry,IR Spectras,Spectra, IR |
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| D013056 |
Spectrophotometry, Ultraviolet |
Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example Cl2, SO2, NO2, CS2, ozone, mercury vapor, and various unsaturated compounds. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Ultraviolet Spectrophotometry |
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| D013237 |
Stereoisomerism |
The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) |
Molecular Stereochemistry,Stereoisomers,Stereochemistry, Molecular,Stereoisomer |
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