(24R)-24,25-dihydroxycucurbitadienol => (24S)-24,25-epoxycucurbitadienol + H2O
(24r)-24,25-dihydroxycucurbitadienol => (24s)-24,25-epoxycucurbitadienol + h2o
(24R)-24,25-dihydroxycucurbitadienol => (24S)-24,25-epoxycucurbitadienol + H2O
(24r)-24,25-dihydroxycucurbitadienol => (24s)-24,25-epoxycucurbitadienol + h2o