A person is guilty of criminal possession of precursors of controlled substances when, with intent to manufacture a controlled substance unlawfully, he possesses at the same time:
(a) carbamide (urea) and propanedioc and malonic acid or its derivatives; or(b) ergot or an ergot derivative and diethylamine or dimethylformamide or diethylamide; or(c) phenylacetone (1-phenyl-2 propanone) and hydroxylamine or ammonia or formamide or benzaldehyde or nitroethane or methylamine.(d) pentazocine and methyliodide; or(e) phenylacetonitrile and dichlorodiethyl methylamine or dichlorodiethyl benzylamine; or(f) diephenylacetonitrile and dimethylaminoisopropyl chloride; or(g) piperidine and cyclohexanone and bromobenzene and lithium or magnesium; or(h) 2, 5-dimethoxy benzaldehyde and nitroethane and a reducing agent. Criminal prossession of precursors of controlled substances is a class E felony.