The standard against which experimental observations are compared, often achieved by including a sample in an experiment that undergoes all the same conditions except for the variable being tested.
If you need to purchase chemical raw materials, submit your demand information to get the latest quotations.
4-(1-hydroxy-1-phenylethyl) benzaldehyde
3-formyl-2-hydroxy-2-methyl-5-nitro-4,6-diphenylcyclohexanecarboxylic acid methyl ester
