LC 3,3-Dimethyl-4-phenyl-2-azetidinone LC ALA LC ARG LC ASN LC ASP LC Acesulfame K GC LC Acetaldehyde GC Acetaldehyde-2,4-Dinitrophenylhydrazone LC Acetaminophen GC Acetic Acid GC LC Acetic acid GC LC Acetone GC Acetonitrile LC Acetyl-L-carnitine LC Acetylacetone LC Acetylpheneturide LC Acetylsalicylic acid GC Acrolein LC Acrylic acid GC Acrylonitrile GC Active Amyl Alcohol LC Adenine LC Adenosine LC Adenosine 5'-diphosphate LC Adenosine 5'-monophosphate LC Adenosine 5'-triphosphate LC Adipic acid GC Adonitol LC Adrenaline GC Advance-DS+H3PO4 LC Advantame GC Air LC Alanine LC Alimemazine LC Allantoin GC Allethrin LC Allose LC Alprenolol GC Amantadine GC Amine LC Aminoglutethimide GC Aminopyrine LC Amlodipine LC Ammelide LC Ammeline GC Ammonia GC Anhydrous caffeine GC Anisaldehyde GC Anisole GC Anthracene GC Apiezone L+KOH GC Arachidic Acid Methyl Ester GC Arachidic acid GC Arachidonic Acid Methyl Ester LC Arbutin LC Arginine LC Arotinolol LC Ascorbic acid LC Aspartame LC Aspartic acid LC Asulam LC Atenolol LC Atomoxetine hydrochloride LC Atorvastatin calcium LC Azelnidipine GC C12-Alcohol GC Di-n-Amyl Phthalate LC N-Acetylgalactosamine LC N-Acetylglucosamine LC N-Acetylprocaineamide GC Sunpak-A GC Sunpak-A GC acetone GC atropine GC cis-Allethrin GC iso-Amyl alcohol GC n-Amyl Acetate GC n-Amyl Alcohol GC trans-Allethrin