英文名称
2-Butenoic acid, 2-methyl-, (E)-, monoester with (1aR-(1aalpha,1bbeta,4abeta,7aalpha,7balpha,8aalpha,9beta,9aalpha))-1,1a,1b,4,4a,7a,7b,8,9,9a-decahydro-4a,7b,9,9a-tetrahydroxy-3-(hydroxymethyl)-1,1,6,8-tetramethyl-5H-cyclopropa(3,4)benz(1,2-e)azulen-5-one monobutanoate