Patent ID: 8895076

Claim:
A liquid composition, comprising a coordination compound of a block copolymer represented by the following formula I or formula II: wherein, R 1 independently represents a hydrogen atom or alkyl group optionally substituted by a functional group or substituent, A independently represents NH, CO, R 5 (CH 2 ) p R 6 or a direct bond, wherein R 5 represents O, OCO, OCONH, NHCO, NHCOO, NHCONH, CONH or COO, R 6 represents NH or CO, and p represents an integer of 1 to 6, R 2 independently represents a hydrogen atom or an alkali metal, R 3 independently represents a hydrogen atom, hydroxyl group or hydrophobic residue, n represents an integer of 110 to 340, and m represents an integer of 20 to 80; and cisplatin, wherein the pH of the liquid composition is 4.0 to 6.0.