pyrethrins
1pyrethrins — Insecticidal constituents of pyrethrum flowers …
2pyrethrins — Active constituents of pyrethrum (Tanacetum cinerariifolium) flowers, used as insecticides …
3Pyrethrin — The pyrethrins are a pair of natural organic compounds that have potent insecticidal activity. Pyrethrin I and pyrethrin II are structurally related esters with a cyclopropane core. [ Merck Index , Eleventh Edition, 7978.] [McGraw Hill Ryerson… …
4Pyrethrum — refers to several Old World plants of the genus Chrysanthemum (e.g., C. coccineum ) which are cultivated as ornamentals for their showy flower heads. It is also the name of a natural insecticide made from the dried flower heads of C.… …
5Piretrina — Saltar a navegación, búsqueda Figura 1. Estructura química de las piretrinas. * piretrina I: R = CH3 * piretrina II: R = CO2CH3 Las piretrinas (figura 1) son una mezcla de compuestos orgánicos que se encuentran de modo natural en las flores de… …
6Chrysanthemum — sp Scientific classification Kingdom: Plantae …
7Tetramethrin — Chembox new Name = Tetramethrin ImageFile = Tetramethrin stereoisomers 2D skeletal.png ImageName = Tetramethrin IUPACName =(1,3 dioxo 4,5,6,7 tetrahydroisoindol 2 yl) methyl 2,2 dimethyl 3 (2 methylprop 1 enyl) cyclopropane 1 carboxylate Section1 …
8Phenothrin — chembox new ImageFile = Sumithrin 2D skeletal.png ImageSize = 200px IUPACName = (3 Phenoxyphenyl)methyl 2,2 dimethyl 3 (2 methylprop 1 enyl)cyclopropane 1 carboxylate OtherNames = Sumithrin Phenothrine Phenoxythrin Sumitrin Wellcide Pibutin Anvil …
9History of malaria — The history of malaria predates humanity, as this ancient disease evolved before humans did. Malaria, a widespread and potentially lethal infectious disease, has afflicted people for much of human history, and has affected settlement patterns.… …
10Bifenthrin — Chembox new ImageFile=Bifenthrin 2D skeletal.png ImageSize=200px IUPACName=2 Methyl 3 phenylphenyl)methyl (1 S ,3 S ) 3 [( Z ) 2 chloro 3,3,3 trifluoroprop 1 enyl] 2,2 dimethylcyclopropane 1 carboxylate OtherNames= Section1= Chembox Identifiers… …
