Industrial Crops and Products2024, 129:119014 Charantadiol A, Karavilagenin A, Karavilagenin D, Kuguacin J, Kuguacin N, Kuguacin R, Kuguaglycoside C, 5,19-Epoxy-19R,25-dimethoxycucurbita-6,23-dien-3-ol, and 5,19-Epoxy-19S,25 dimethoxycucurbita-6,23-dien-3-ol were purchased from ChemFaces