Complex sentence: Note that methanide in this context is a trivial historical name, according to the IUPAC systematic naming conventions: a compound such as NaCH 3 would be termed a "methanide", although this compound is often called methylsodium.
Split into simpler sentences: Note that methanide in this context is a trivial historical name. According to the IUPAC systematic naming conventions, a compound such as NaCH 3 would be termed a "methanide", although this compound is often called methylsodium.