Synonyms: Cucurbitacin Q;AC1NQYCG;CUCURBITACIN Q-1;25383-25-9;LMST01010115;NSC306687;NSC-306687;C08805;[(E,6R)-6-hydroxy-2-methyl-5-oxo-6-[(2R,3S,8S,9R,10R,13R,14S,16R,17R)-2,3,16-trihydroxy-4,4,9,13,14-pentamethyl-11-oxo-1,2,3,7,8,10,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]hept-3-en-2-yl] acetate;19-Norlanosta-5,22-dione, 25-(acetyloxy)-2,3,16,20-tetrahydroxy-9-methyl-, (2.alpha.,3.alpha.,9.beta.,10.alpha.,16.alpha.,23E)-;51868-64-5