(+/-)-7-hydroxy-8-(1-hydroxy-2-methyl-propyl)-2-isopropyl-3-p-tolyl-3H-quinazolin-4-one 生成 (R)-7-hydroxy-8-(1-hydroxy-2-methyl-propyl)-2-isopropyl-3-p-tolyl-3H-quinazolin-4-one 、 (S)-7-hydroxy-8-(1-hydroxy-2-methyl-propyl)-2-isopropyl-3-p-tolyl-3H-quinazolin-4-one