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| Number | Title | Issue Date |
| 5130307 | Aminoesters of rapamycin A compound of the structure ##STR1## wherein R1 and R2 are each, independently, hydrogen or ##STR2## with the proviso that R1 and R2 are not both hydrogen; R3 is hydrogen, alkyl, aralkyl, --... | 07/14/1992 |
