ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C9H21O6P3/c1-4-7-16%2810%2913-17%2811%2C8-5-2%2915-18%2812%2C14-16%299-6-3/h4-9H2%2C1-3H3/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C9H21O6P3/c1-4-7-16%2810%2913-17%2811%2C8-5-2%2915-18%2812%2C14-16%299-6-3/h4-9H2%2C1-3H3 could not be loaded.