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Qualifier in English: analogs & derivatives
Qualifier in Spanish: análogos & derivados
Qualifier in Portuguese: análogos & derivados
Qualifier in French: analogues et dérivés
Entry term(s): analogs and derivatives
derivatives
Scope note: Used with drugs and chemicals for substances that share the same parent molecule or have similar electronic structure but differ by the addition or substitution of other atoms or molecules. It is used when the specific chemical heading is not available and no appropriate group heading exists.
Annotation: subheading only
Online Note: search policy: Online Manual; use: main heading/AA or AA (SH) or SUBS APPLY AA
History Note: 75; used with Category D1-7 & D9-26 1975-89; D2-7, D9, D11 & D14-23 1990 forward
Entry Version: ANALOGS
Abbreviation: AA
DeCS UI: 22003
Descriptor UI: Q000031
Date Established: 1975/01/01
Date of Entry: 1974/10/23
Revision Date: 2017/04/11
analogs & derivatives - Preferred
Concept UI M0030233
Scope note Used with drugs and chemicals for substances that share the same parent molecule or have similar electronic structure but differ by the addition or substitution of other atoms or molecules. It is used when the specific chemical heading is not available and no appropriate group heading exists.
Preferred term analogs & derivatives
Entry term(s) analogs and derivatives
derivatives - Narrower
Concept UI M0030235
Preferred term derivatives



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