As nouns the difference between atom and clavam

is that atom is the smallest medieval unit of time, equal to fifteen ninety-fourths of a second while clavam is a molecule similar to a penam, but with an oxygen atom substituted for sulfur, such as clavulanic acid.

As nouns the difference between sulfur and clavam

is that sulfur is a chemical element (symbol S) with an atomic number of 16 while clavam is a molecule similar to a penam, but with an oxygen atom substituted for sulfur, such as clavulanic acid.

As an adjective sulfur

is of a yellowish green colour, like that of sulfur.

As a verb sulfur

is to treat with sulfur, or a sulfur compound, especially to preserve or to counter agricultural pests.

Levomethamphetamine is a synonym of levmetamfetamine.

As nouns the difference between levmetamfetamine and levomethamphetamine

is that levmetamfetamine is levomethamphetamine while levomethamphetamine is the levorotatory isomer of methamphetamine, a sympathomimetic vasoconstrictor used in some nasal decongestants.

As an adjective adrenergic

is having the quality of adrenaline or epinephrine.

As a noun propylhexedrine is

an adrenergic compound that is a sympathomimetic with varied medicinal uses.

As nouns the difference between compound and propylhexedrine

is that compound is an enclosure within which workers, prisoners, or soldiers are confined or compound can be anything made by combining several things while propylhexedrine is an adrenergic compound that is a sympathomimetic with varied medicinal uses.

As an adjective compound

is composed of elements; not simple.

As a verb compound

is to form (a resulting mixture) by combining different elements, ingredients, or parts.

As nouns the difference between sympathomimetic and propylhexedrine

is that sympathomimetic is (medicine) any medicine with this effect while propylhexedrine is an adrenergic compound that is a sympathomimetic with varied medicinal uses.

As an adjective sympathomimetic

is (medicine) that produces effects similar to those of the sympathetic nervous system.

As an adjective medicinal

is medicinal.

As a noun propylhexedrine is

an adrenergic compound that is a sympathomimetic with varied medicinal uses.

As nouns the difference between dementia and selegiline

is that dementia is (pathology) a progressive decline in cognitive function due to damage or disease in the brain beyond what might be expected from normal aging areas particularly affected include memory, attention, judgement, language and problem solving while selegiline is a drug used for the treatment of early-stage parkinson's disease, depression and senile dementia.

Desmethylselegiline is a derived term of selegiline.

As nouns the difference between desmethylselegiline and selegiline

is that desmethylselegiline is a metabolite of selegiline that may have neuroprotective antiapoptotic properties while selegiline is a drug used for the treatment of early-stage parkinson's disease, depression and senile dementia.

As an adjective levorotatory

is (chemistry|of an optically active compound or crystal) that rotates the plane of polarized light to the left, or anticlockwise.

As a noun levomethamphetamine is

the levorotatory isomer of methamphetamine, a sympathomimetic vasoconstrictor used in some nasal decongestants.