(1,3,3-Trimethyl-1,3-dihydro-indol-2-ylidene)-acetaldehyde2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehydeNSC 68048费舍尔氏醛1,3,3-Trimethyl-Δ2,α-indolineacetaldehydeFischer′s aldehyde1,3,3-Trimethyl-2-(formylmethylene)-2,3-dihydroindole1,3,3-Trimethyl-2-methyleneindoline-ω-aldehyde1,3,3-Trimethyl-2-(formylmethylene)indoline