发明授权
US4970335A (Cycloalkylamino)methylenebis(phosphonic acid) 失效
(环烷基氨基)亚甲基双(膦酸)

(Cycloalkylamino)methylenebis(phosphonic acid)
摘要:
(Cycloalkylamino)methylenebis(phosphonic acid) represented by the general formula: ##STR1## in which, R, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represent a hydrogen atom or a lower alkyl group, and n represents an integer from 3 to 10, a lower alkyl ester thereof or a pharmaceutically acceptable salt thereof; and a bone-resorption inhibitor and an anti-arthritis containing the same.
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