+ 1定义 翻译general formula + 加 通式 en molecular formula of a class of compounds The analogues have the following general formula I. 经化学合成与制备,获得半合成多系列穿心莲内酯类似物,具下列结构通式I。 en.wiktionary2016 显示算法生成的翻译 机器...
1.Compounds of amidine of general formula (I)in which A representsradical, in which T represents a -(CH2)k radical, k representing 1 or 2, and R31 represents a linear or branched alkyl radical with 1 to 6 carbon atoms, or one of the aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aryl...
The fluoroacids ( X = COOH) are examples of such compounds, but lead in general to compounds of the general formula R CH 2 Y , in which a —CH 2 — group has been introduced. The fluoroiodides, R I, have received attention recently and it is now known that they readily yield ...
Metal complex dyes that produce level, fast dyeings on textile materials are provided according to the formula ##STR1## wherein: D is a benzene, naphthalen... G Back 被引量: 0发表: 1987年 1H-imidazole-5-carboxylic acid derivatives Novel herbicidal 1-heterocyclyl-1H-imidazole-5-carboxylic ...
By this method, the concentrations of hydrogenated by-products of general formula R鈥揅F 2H or RCFHR' are as low as 100 ppm. This novel biphasic system provides therefore a useful synthetic route to materials and chemicals for electronics, optical polymers, plasma etching, etc. which require ...
This invention relates to new aliphatic-aromatic amines of the general formula (OH) 2CaHl-R--N-Rr-C 6HO H Rs wherein Ri and R2 represent alkyl or alkylene radicles and R3 represents hydrogen or an alkyl or alkylene radicle. It is known that dihydroxyethylphenylamine, like adrenalin, cau...
Development of the Colle–Salvetti correlation-energy formula into a functional of the electron density. Phys. Rev. B Condens Matter 37, 785–789 (1988). Article ADS CAS PubMed Google Scholar Davidson, E. R. & Feller, D. Basis set selection for molecular calculations. Chem. Rev. 86, ...
The essential ingredients of "C" Formula and "Y" Formula – CESSIAC® and YUCCALIVE® – include sheep sorrel, burdock root, schidigera yucca and fennel. The results of this group of observations, conducted in China, showed that the combined use of "C" Formula and "Y" Formula had a...
The average composition of amber leads to the general formula C10H16O. Amber color Color: varying shades of yellow, orange, red, white, brown, green, bluish, "black" (deep shades of other colors). Amber hardness Hardness: 1-3. Burmese amber, or amber from Myanmar, is the hardest at ...
1,162,017. Boroxines and polyborates. MONTECATINI-EDISON S.p.A. 16 Nov., 1966 [26 Nov., 1965], No. 51395/66. Heading C2C. Organic boron compounds of formula wherein R is an aliphatic or aromatic hydrocarbon radical and n is at least 1 are prepared by reaction of B 2 O 3 with...