PROBLEM TO BE SOLVED: To provide an S-glycosylated chlorin derivative having excellent tumor cell killing properties (phototoxicity).SOLUTION: The S-glycosylated chlorin derivative is shown in the formula (X1-X4 are any group of F- or oligosaccharide-S-).COPYRIGHT: (C)2015,JPO&INPIT【課題】殺腫瘍細胞性(光毒性)に優れるS-グリコシル化クロリン誘導体の提供。【解決手段】下式で例示のS-グリコシル化クロリン誘導体。(X1ーX4は、F-又はオリゴ糖-S-のいずれかの基である)【選択図】なし