DEXEDRINE (dextroamphetamine sulfate) is the dextro isomer of the compound d,l -amphetamine sulfate, a sympathomimetic amine of the amphetamine group. Chemically, dextroamphetamine is d-alpha-methylphenethylamine, and is present in all forms of DEXEDRINE as the neutral sulfate. Structural formula:
character encoding. the process by which the computer converts text into a sequence of bytes when it stores the text and then converts those bytes back into characters when the text is read. comment.
A rectangle symbol in a text of means that an emoji symbol had been  sent and the receiver was unable to read it.This is a symbol that  is often sent from an iPhone to an a â¦ ndroid device.he sender is an iphone user and sending an emoticon to a non-iphone. The emoji iphone emoticons are not recognized and results in the [] symbol on the receivers phone.