A functional group is a specific group of atoms that helps determine the chemistry and reactivity of the overall molecule. When classifying functional groups, we look at both the specific atoms present, as well as the manner in which they are connected to each other. While there are an overwh...
Novel compounds are provided that comprise esters of antiviral phosphonomethoxy nucleotide analogs with carbonates and/or carbamates having the structure –OC(R.sup.2).sub.2 OC(O)X(R).sub.a, wherein R.sup.2 independently is H, C.sub.1 -C.sub.12 alkyl, aryl, alkenyl, alkynyl, alkyen...
the developing gonad. The adrenal medulla is formed from the neural crest cells that migrate to the medial aspect of the cortex during the seventh week of fetal development. Concurrently, cells destined to form the permanent or adult adrenal cortex proliferate and eventually envelop the fetal ...