英文名称
9H-fluoren-9-ylmethyl N-[3-[3-(5-ethyl-4-hydroxyoxolan-2-yl)-2-oxo-10H-pyrimido[5,4-b][1,4]benzoxazin-9-yl]propyl]carbamate;9H-fluoren-9-ylmethyl N-[3-[3-(5-ethyl-4-methyloxolan-2-yl)-2-oxo-10H-pyrimido[5,4-b][1,4]benzoxazin-9-yl]propyl]carbamate;3-[4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-9-methyl-10H-pyrimido[5,4-b][1,4]benzoxazin-2-one