A
HUMAN NECESSITIES
A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
31/00
Medicinal preparations containing organic active ingredients
31/00
Medicinal preparations containing organic active ingredients
A61K31/66
Phosphorus compounds
A61K31/66
Phosphorus compounds
A61K31/662
Phosphorus acids or esters thereof having P—C bonds, e.g. foscarnet, trichlorfon
A61K31/662
Phosphorus acids or esters thereof having P—C bonds, e.g. foscarnet, trichlorfon