129357-90-0 19-Norlanost-5-ene-11,22-dione, 25-(acetyloxy)-2,3,16,20-tetrahydroxy-9-methyl-, (2beta,3alpha,9beta,10alpha,16alpha)- 23,24-Dihydrocucurbitacin F-25-O-acetate 25-O-Acetyl-23,24-dihydrocucurbitacin F 58546-34-2 96158-05-3 Cucurbitacin IIa Dihydrocucurbitacin F 25-O-acetate Dihydrocucurbitacin Q1