N02AA01 Morphine
N02AA02 Opium
N02AA03 Hydromorphone
N02AA04 Nicomorphine
N02AA05 Oxycodone
N02AA08 Dihydrocodeine
N02AA09 Diamorphine
N02AA10 Papaveretum
N02AA51 Morphine, combinations
N02AA55 Oxycodone, combinations
N02AA58 Dihydrocodeine, combinations
N02AA59 Codeine, combinations excluding psycholeptics
N02AA79 Codeine, combinations with psycholeptics
N02AB01 Ketobemidone
N02AB02 Pethidine
N02AB03 Fentanyl
N02AB52 Pethidine, combinations excluding psycholeptics
QN02AB53 Fentanyl, combinations excluding psycholeptics
N02AB72 Pethidine, combinations with psycholeptics
NO02AB60 Pethidine, mixed
QN02AB73 Fentanyl, combinations with psycholeptics
N02AC01 Dextromoramide
N02AC03 Piritramide
N02AC04 Dextropropoxyphene
N02AC05 Bezitramide
N02AC52 Methadone, combinations excluding psycholeptics
N02AC54 Dextropropoxyphene, combinations excluding psycholeptics
N02AC74 Dextropropoxyphene, combinations with psycholeptics
N02AD01 Pentazocine
N02AD02 Phenazocine
N02AE01 Buprenorphine
QN02AE90 Etorphine
QN02AE99 Oripavine derivatives, combinations
N02AF01 Butorphanol
N02AF02 Nalbuphine
N02AG01 Morphine and antispasmodics
N02AG02 Ketobemidone and antispasmodics
N02AG03 Pethidine and antispasmodics
N02AG04 Hydromorphone and antispasmodics
N02AX01 Tilidine
N02AX02 Tramadol
N02AX03 Dezocine
N02AX05 Meptazinol
N02AX06 Tapentadol
N02AX52 Tramadol, combinations
N02BA01 Acetylsalicylic acid
N02BA02 Aloxiprin
N02BA03 Choline salicylate
N02BA04 Sodium salicylate
N02BA05 Salicylamide
N02BA06 Salsalate
N02BA07 Ethenzamide
N02BA08 Morpholine salicylate
N02BA09 Dipyrocetyl
N02BA10 Benorilate
N02BA11 Diflunisal
N02BA12 Potassium salicylate
N02BA14 Guacetisal
N02BA15 Carbasalate calcium
N02BA16 Imidazole salicylate
N02BA51 Acetylsalicylic acid, combinations excluding psycholeptics
N02BA55 Salicylamide, combinations excluding psycholeptics
N02BA57 Ethenzamide, combinations excluding psycholeptics
N02BA59 Dipyrocetyl, combinations excluding psycholeptics
N02BA65 Carbasalate calcium combinations excluding psycholeptics
N02BA71 Acetylsalicylic acid, combinations with psycholeptics
N02BA75 Salicylamide, combinations with psycholeptics
N02BA77 Ethenzamide, combinations with psycholeptics
N02BA79 Dipyrocetyl, combinations with psycholeptics
N02BB01 Phenazone
N02BB02 Metamizole
N02BB03 Aminophenazone
N02BB04 Propyphenazone
N02BB05 Nifenazone
N02BB51 Phenazone, combinations excluding psycholeptics
N02BB52 Metamizole sodium, combinations excluding psycholeptics
N02BB53 Aminophenazone, combinations excluding psycholeptics
N02BB54 Propyphenazone, combinations excluding psycholeptics
N02BB71 Phenazone, combinations with psycholeptics
N02BB72 Metamizole sodium, combinations with psycholeptics
N02BB73 Aminophenazone, combinations with psycholeptics
N02BB74 Propyphenazone, combinations with psycholeptics
N02BE01 Paracetamol
N02BE03 Phenacetin
N02BE04 Bucetin
N02BE05 Propacetamol
N02BE51 Paracetamol, combinations excluding psycholeptics
N02BE53 Phenacetin, combinations excluding psycholeptics
N02BE54 Bucetin, combinations excluding psycholeptics
N02BE71 Paracetamol, combinations with psycholeptics
N02BE73 Phenacetin, combinations with psycholeptics
N02BE74 Bucetin, combinations with psycholeptics
N02BG02 Rimazolium
N02BG03 Glafenine
N02BG04 Floctafenine
N02BG05 Viminol
N02BG06 Nefopam
N02BG07 Flupirtine
N02BG08 Ziconotide
N02BG09 Menthol
N02BG10 Nabiximols
N02CA01 Dihydroergotamine
N02CA02 Ergotamine
N02CA04 Methysergide
N02CA07 Lisuride
N02CA51 Dihydroergotamine, combinations
N02CA52 Ergotamine, combinations excluding psycholeptics
N02CA72 Ergotamine, combinations with psycholeptics
N02CB01 Flumedroxone
N02CC01 Sumatriptan
N02CC02 Naratriptan
N02CC03 Zolmitriptan
N02CC04 Rizatriptan
N02CC05 Almotriptan
N02CC06 Eletriptan
N02CC07 Frovatriptan
N02CX01 Pizotifen
N02CX02 Clonidine
N02CX03 Iprazochrome
N02CX05 Dimetotiazine
N02CX06 Oxetorone