label: 1-((4-METHYLQUINAZOLIN-2-YL)METHYL)-3-METHYL-7-(2-BUTIN-1-YL)-8-(3(R)-4-METHYLPHTHALIMIDOPIPERIDINE-YL)-XANTHINE
label_lc: 1-((4-methylquinazolin-2-yl)methyl)-3-methyl-7-(2-butin-1-yl)-8-(3(r)-4-methylphthalimidopiperidine-yl)-xanthine