3, 3", 4"-Tri-O-acylspiramycin I
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United States of America Patent
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Mar 11, 1986
Grant Date -
N/A
app pub date -
Dec 11, 1984
filing date -
Dec 13, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
3, 3', 4'-Tri-O-acylspiramycin I represented by the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different groups, and at least one of the groups is a straight or branched chain alkylcarbonyl group represented by --COC.sub.m H.sub.2m+1 wherein m is an integer of 2-4 and the other group(s) are straight or branched chain alkylcarbonyl group(s) represented by --COC.sub.n H.sub.2n+1 wherein n is an integer of 1-4, and its pharmacologically acceptable acid addition salts.
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