英文同义词: | (4S)-3,4β-Dihydroxy-5β-(3-methyl-2-butenyl)-2-(3-methyl-1-oxobutyl)-2-cyclopenten-1-one;Humulinic acid B;(+-)-3,4r-dihydroxy-2-isovaleryl-5t-(3-methyl-but-2-enyl)-cyclopent-2-enone;2-Cyclopenten-1-one, 3,4-dihydroxy-5-(3-methyl-2-buten-1-yl)-2-(3-methyl-1-oxobutyl)-, (4S,5R)- |