Heteroarylphthalides

Heterocyclic 15-substituted-.omega.-pentanorprostoglandins

Heterocyclic alkyl naphthols

Heterocyclic aluminum compounds and process for their preparatio

Heterocyclic anilids

Heterocyclic annelated 1-benzoxepin-5-ones

Heterocyclic azo compounds containing a quaternated hydrazide gr

Heterocyclic azo dyes and pigments containing 4-quinazolinone mo

Heterocyclic azo dyes with couplers having sulfoaralkyl groups

Heterocyclic azo pigments

Heterocyclic benzoate ultraviolet stabilizers and their use in o

Heterocyclic compound as odor- and flavor-modifying agent

Heterocyclic compounds

Heterocyclic compounds

Heterocyclic compounds

Heterocyclic compounds

Heterocyclic compounds

Heterocyclic compounds containing an alkoxycarbonyl and a substi

Heterocyclic compounds containing sulpho groups

Heterocyclic containing disazo compounds