山田蓝 203; 热敏蓝色; Furo(3,4-b)pyridin-5(7H)-one,7-(4-(diethylamino)-2-(hexyloxy)phenyl)-7-(1-ethyl-2-methyl-1H-indol-3-yl); BLUE 203; MB5; 3-(4-Diethylamino-2-hexyloxyphenyl)-3-(2-methyl-1-ethylindol-3-yl)-4-azaphthalide; Yamada Blue 203; Yamamoto Blue 203