Metadata
Author: patents-wipo
Data
English[en]
Each of R2, R3, R4 and R5 is at least one substituent independently selected from hydrogen, alkyl, alkoxy, acyloxy, acyloxymethyl, oxo, hydroxyl, vinyl, nitrile, carboxaldehyde, carbonitrile and aldehyde.
French[fr]
Chacun de R2, R3, R4 et R5 est au moins un substituant choisi d'une manière indépendante parmi l'hydrogène, les groupes alkyle, alcoxy, acyloxy, acyloxyméthyle, oxo, hydroxyle, vinyle, nitrile, carboxaldéhyde, carbonitrile et aldéhyde.
Korean[ko]
R2, R3, R4 및 R5는 각각 독립적으로 수소, 알킬, 알콕시, 아실옥시, 아실옥시메틸, 옥소, 히드록시, 비닐, 니트릴, 카르복알데히드, 카보니트릴, 및 알데히드로부터 선택된 하나이상의 치환기이다.