| 摘要 |
PCT No. PCT/EP94/00632 Sec. 371 Date Nov. 2, 1995 Sec. 102(e) Date Nov. 2, 1995 PCT Filed Mar. 3, 1994 PCT Pub. No. WO94/21636 PCT Pub. Date Sep. 29, 1994Pterin derivatives having the general formula I <IMAGE> I wherein R1 represents a group -(CHOH)2-CH3 or -(CHOH)2-CH2OH, R2 and R3 are not the same and represent either hydrogen or the group -(CH2)3CONH(CH2)4-NH-R4, wherein R4 represents hydrogen or a usual label group for immunoassays or usual coating/support materials for solid phase immunoassays or immunogenic groups for the preparation of antibodies are useful for the preparation of sensitive immunoassays for the determination of neopterin and biopterin. |
