摘要 |
The disclosure relates to compounds of formula (I), in which R1 stands for hydrogen or methyl, R2 stands for lower straight-chain or branched alkyl with 1-10 carbon atoms, R3 stands for hydrogen or lower alkyl, n is 0-12, and R4 stands for alkyl, alkenyl or alkinyl with 6-24 carbon atoms; and to methods of producing said compounds and medicaments containing said compounds and intended for use in the treatment of osteoporosis.
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