Combretastatin A-4 phosphate prodrug mono- and di-organic amine salts, mono- and di-amino acid salts, and mono- and di-amino acid ester salts

摘要

Provided herein are novel and useful combretastatin A-4 prodrug salts that increase the solubility of combretastatin A-4, readily regenerate combretastatin A-4 in vivo under normal physiological conditions, and which produce physiologically tolerable products as a result of the regeneration of combretastatin A-4.