2-(2-(2-cyano-1,3,3-trimethylindolin-2-yl)vinyl)-4-nitrophenolate

1,3,3-trimethyl-2-(2-buten-1-ylidene)indoline

螺[1,3,3-三甲基吲哚-(6'-硝基苯并二氢吡喃)]

1,3,3-trimethyl-2-formylmethyleneindoline

4-nitro-2-[2-(1,3,3-trimethylindol-1-ium-2-yl)ethenyl]phenol