CN106220476A
|
|
A kind of low pressure catalytic prepares the method for pyrogallic acid
|
CN106242952A
|
|
A kind of method preparing pyrogallic acid from Fructus Corni
|
CN106242950A
|
|
A kind of method preparing pyrogallic acid
|
CN106242949A
|
|
A kind of method that pyrogallic acid is prepared in high pressure aqueous phase decarboxylation
|
CN106146284A
|
|
A kind of method that tannin biomass prepare gallic acid and pyrogallic acid
|
CN106220475A
|
|
A kind of method preparing pyrogallic acid
|
CN106242966A
|
|
A kind of method that gallic acid is prepared in hydrochloric acid hydrolysis
|
CN106242951A
|
|
A kind of method preparing pyrogallic acid
|
CN106146285A
|
|
A kind of sulphuric acid hydrolysis prepares the method for gallic acid
|
CN103449978A
|
|
Asymmetric hindered phenol antioxidant and synthetic method thereof
|
CN102757313A
|
|
Asymmetric hindered phenol antioxidant and synthesis method thereof
|
CN101838222A
|
|
Preparation method of N-(4-ethoxycarbonylphenyl)-N'-ethyl-N'-phenylformamidine
|