A drug is named dl-threo-2-(methylamino)-1-phenylpropan-1-ol, but is commonly know as Sudafed®. Which best describes the name dl-threo-2-(methylamino)-1-phenylpropan-1-ol?


A. This is the chemical name and it was termed by the FDA.
B. This is the chemical name and it was termed by the IUPAC.
C. This is the national drug code and it was assigned by the FDA.
D. This is the national drug code and it was assigned by the IUPAC.