ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C53H80O2/c1-40%282%2921-13-22-41%283%2923-14-24-42%284%2925-15-26-43%285%2927-16-28-44%286%2929-17-30-45%287%2931-18-32-46%288%2933-19-34-47%289%2935-20-36-48%2810%2937-38-51-39-52%2854%2949%2811%2950%2812%2953%2851%2955/h21%2C23%2C25%2C27%2C29%2C31%2C33%2C35%2C37%2C39H%2C13-20%2C22%2C24%2C26%2C28%2C30%2C32%2C34%2C36%2C38H2%2C1-12H3/b41-23%2B%2C42-25%2B%2C43-27%2B%2C44-29%2B%2C45-31%2B%2C46-33%2B%2C47-35%2B%2C48-37%2B/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C53H80O2/c1-40%282%2921-13-22-41%283%2923-14-24-42%284%2925-15-26-43%285%2927-16-28-44%286%2929-17-30-45%287%2931-18-32-46%288%2933-19-34-47%289%2935-20-36-48%2810%2937-38-51-39-52%2854%2949%2811%2950%2812%2953%2851%2955/h21%2C23%2C25%2C27%2C29%2C31%2C33%2C35%2C37%2C39H%2C13-20%2C22%2C24%2C26%2C28%2C30%2C32%2C34%2C36%2C38H2%2C1-12H3/b41-23%2B%2C42-25%2B%2C43-27%2B%2C44-29%2B%2C45-31%2B%2C46-33%2B%2C47-35%2B%2C48-37%2B could not be loaded.