As a noun niobium

is a metallic chemical element (symbol Nb) with an atomic number of 41.

As an adjective organoniobium is

describing any organic compound containing a carbon to niobium bond.

As a noun carbon

is alternative form of (l) .

As an adjective organooxygen is

(organic chemistry) describing any organic compound containing a carbon to oxygen bond.

As a noun oxygen

is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As an adjective organooxygen is

(organic chemistry) describing any organic compound containing a carbon to oxygen bond.

As a noun carbon

is alternative form of (l) .

As an adjective organopolonium is

(organic chemistry) describing any organic compound containing a carbon to polonium bond.

As a noun manganese

is manganese.

As an adjective organomanganese is

(organic chemistry) describing any organic compound containing a carbon to manganese bond.

As a noun carbon

is alternative form of (l) .

As an adjective organomolybdenum is

(organic chemistry) describing any organic compound containing a carbon to molybdenum bond.

As a noun molybdenum

is a metallic chemical element (symbol mo) with an atomic number of 42.

As an adjective organomolybdenum is

(organic chemistry) describing any organic compound containing a carbon to molybdenum bond.

As a noun carbon

is alternative form of (l) .

As an adjective organoneodymium is

(organic chemistry) describing any organic compound containing a carbon to neodymium bond.

As a noun neodymium

is a metallic chemical element (symbol nd) with an atomic number of 60.

As an adjective organoneodymium is

(organic chemistry) describing any organic compound containing a carbon to neodymium bond.

As a noun carbon

is alternative form of (l) .

As an adjective organolanthanum is

(organic chemistry) describing any organic compound containing a carbon to lanthanum bond.