3β，7β-Dihydroxy-25-methoxycucurbita-5，23-dien-19-al/3，7-Dihydroxy-25-methoxycucurbita- 5，23-dien-19-al
3β，7β-Dihydroxy-25-methoxycucurbita-5，23-dien-19-al/3，7-Dihydroxy-25-methoxycucurbita- 5，23-dien-19-al
3β，7β-Dihydroxy-25-methoxycucurbita-5，23-dien-19-al/3，7-Dihydroxy-25-methoxycucurbita- 5，23-dien-19-al 98%