Is 19-Norlanosta-5,23-diene-3,11,22-trione, 25-(acetyloxy)-2,16,20-trihydroxy-9-methyl-, (2b,9b,10a,16a,23E)- vegan?

Cucurbitacin B is also known as 19-Norlanosta-5,23-diene-3,11,22-trione, 25-(acetyloxy)-2,16,20-trihydroxy-9-methyl-, (2b,9b,10a,16a,23E)-.

Cucurbitacin B is a naturally occurring triterpenoid compound found in plants of the Cucurbitaceae (pumpkin/gourd) family, where it functions as a defense chemical against herbivores.

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