申请人:NOVACTA BIOSYSTEMS LTD
公开号:WO2012020220A1
公开(公告)日:2012-02-16
Described is a compound of formula (I): wherein X represents a bond or an amino acid residue; R3 represents H or C1-6 alkyl; R4 represents -RA-L-Ar1, or R3 together with R4 and the nitrogen to which they are attached form a 5 or 6 membered heterocyclic group optionally including a further heteroatom selected from N, O or S, wherein said heterocyclic group is substituted by YAr1, where Z, R1, R2, R5, RA, L, Ar1 and Y are further defined.