| abstract |
The invention relates to an indole diterpenoid crystal and application thereof as an antitumor drug, wherein X-ray single crystal diffraction data of the indole diterpenoid crystal are as follows: orthorhombic, space group P2 1 2 1 2 1 Cell parameter of α＝90°,β＝90°,γ＝90°, Z＝4,D x ＝1.142mg/mm 3 ,F(000)＝928,μ(Cu Kα)＝0.540mm ‑1 Final deviation factor R 1 ＝0.05046,wR 2 ＝0.1067[I>2σ(I)]The Flack constant is 0.0 (2). |