132210-62-9 AIDS-025248 AIDS025248 Crambescin A Crambescine A Crambine A Pyrrolo[1,2-c]pyrimidine-4-carboxylic acid, 1-amino-3,5,6,7-tetrahydro-3-undecyl-, 4-[(aminoiminomethyl]amino)butyl ester, (+)