ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C12H19NO3/c1-4-16-12-10%2814-2%297-9%285-6-13%298-11%2812%2915-3/h7-8H%2C4-6%2C13H2%2C1-3H3/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C12H19NO3/c1-4-16-12-10%2814-2%297-9%285-6-13%298-11%2812%2915-3/h7-8H%2C4-6%2C13H2%2C1-3H3 could not be loaded.