– veratrine – veratridine – dihydro-beta-erythroidine – ergolines – bromocriptine – ergonovine – methylergonovine – lisuride – lysergic acid – lysergic acid diethylamide – metergoline – methysergide – nicergoline – pergolide – ergotamines – bromocriptine – dihydroergocornine – dihydroergocristine – dihydroergocryptine – dihydroergotamine – dihydroergotoxine – ergoloid mesylates – ergotamine – harringtonines – morphinans – buprenorphine – butorphanol – dextrorphan – diprenorphine – etorphine – levallorphan – levorphanol – dextromethorphan – morphine – morphine derivatives – codeine – hydrocodone – oxycodone – dihydromorphine – ethylmorphine – heroin – hydromorphone – oxymorphone – thebaine – nalbuphine – nalorphine – naloxone – naltrexone – pterocarpans – rifamycins – rifabutin – streptovaricin – rifampin – rotenone – tetrapyrroles – bile pigments – bilirubin – biliverdine – urobilin – urobilinogen – chlorophyll – bacteriochlorophylls – chlorophyllides – pheophytins – protochlorophyllide – corrinoids – vitamin b 12 – cobamides – hydroxocobalamin – porphyrins – coproporphyrins – deuteroporphyrins – etioporphyrins – hematoporphyrins – hematoporphyrin derivative – dihematoporphyrin ether – mesoporphyrins – metalloporphyrins – chlorophyll – bacteriochlorophylls – chlorophyllides – protochlorophyllide – heme – hemin – porphyrinogens – coproporphyrinogens – uroporphyrinogens – protoporphyrins – uroporphyrins – heterocyclic compounds, bridged-ring – bicyclo compounds, heterocyclic – penicillins – amdinocillin – amdinocillin pivoxil – cyclacillin – methicillin – nafcillin – oxacillin – cloxacillin – dicloxacillin – floxacillin – penicillanic acid – penicillin g – ampicillin – amoxicillin – amoxicillin-potassium clavulanate combination – azlocillin – mezlocillin – piperacillin – pivampicillin – talampicillin – carbenicillin – carfecillin – penicillin g, benzathine – penicillin g, procaine – sulbenicillin – penicillin v – sulbactam – ticarcillin – ramipril – cyclazocine – ethylketocyclazocine – morphinans – buprenorphine – butorphanol – dextrorphan – diprenorphine – etorphine – levallorphan – levorphanol – dextromethorphan – morphine – morphine derivatives – codeine – hydrocodone – oxycodone – dihydromorphine – ethylmorphine – heroin – hydromorphone – oxymorphone – thebaine – nalbuphine – nalorphine – naloxone – naltrexone – quinuclidines – quinidine – quinine – quinuclidinyl benzilate – tropanes – atropine – atropine derivatives – ipratropium – benztropine – cocaine – crack cocaine – nortropanes – scopolamine – scopolamine derivatives – butylscopolammonium bromide – n-methylscopolamine – heterocyclic oxides – cyclic n-oxides – 4-hydroxyaminoquinoline-1-oxide – 4-nitroquinoline-1-oxide – triacetoneamine-n-oxyl – cyclic p-oxides – cyclic s-oxides – pyrans – aurovertins – benzopyrans – aflatoxins – aflatoxin b1 – aflatoxin m1 – chromans – catechin – centchroman – chromones – cromolyn sodium – flavonoids –