| http://www.w3.org/ns/prov#value | - A therapeutic preparation comprising a pharmaceutically effective carrier and a compound represented by the formula ##STR16## wherein R1 represents a hydroxyl, R2 and R4 represent double bonded oxygen, R3 represents hydrogen, oxygen, alkyl, alkenyl, acyl, aryl, halogen, sulfo, nitro, carboxyl, hydroxyl, hydroxyalkyl, alkoxy, or other water soluble sidechain, and Y is a sidechain comprising hydroge
|
