A process for the preparation of 4-1-hydroxy-4-4–1-piperidinyl-butyl-,-dimethylbenzeneacetic acid of formula 1. Character recognition in the image is performed by a character recognition section, and the recognition result is stored in a character recognition result storage section. 0% by weight of a total content of carbon and nitrogen, remainder iron, and other inevitable impurities. The system also comprises a plurality of listeners stored in a computer readable storage medium that, when executed by a processor, receive the data from the plurality of data sources, identify the data, parse the data, convert the data into a generic format, and validate the converted data.