β,β′-dihydroxy meso-substituted chlorins,...

Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...

Reexamination Certificate

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C540S145000, C540S472000

Reexamination Certificate

active

07022843

ABSTRACT:
Improved β,β′-dihydroxy meso-substituted chlorin, bacteriochlorin or isobacteriochlorin compounds are provided as photosensitizers. Pharmaceutical compositions and photodynamic therapy comprising them are also disclosed.

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