Photochromic compound, photochromic article and eyeglasses

A photochromic compound represented by the following general formula (1):

• wherein, in the general formula (1),
• X denotes an oxygen atom or a nitrogen atom unsubstituted or substituted by a substituent selected from the following Y1 group:
• Y1 group:
• —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3
• R1 denotes a cyano group, or an alkyl group or an aryl group which may each be substituted,
• R2 denotes an alkyl group, a naphthyl group, or a naphthylalkyl group which may each be substituted,
• R3 denotes a halogen atom, a cyano group, or a nitro group,
• A1, A2, A3, and A5 each independently denote an alkylene group, an alkylidene group,
• a cycloalkylene group, or an alkylcycloalkane-diyl group which may each be substituted,
• A4 denotes a naphthyl group which may be substituted,
• B1 and B2 each independently denote any one of the divalent groups selected from the following group:
• l, m, and n are each independently 0 or 1, provided that n is 0 if m is 0,
• Y2 denotes a hydrogen atom, or a substituent selected from the above Y1 group,
• R denotes a hydrogen atom, a trifluoromethyl group, or a cyclopropyl group which may be substituted,
• denotes a norbornylidene group, a bicyclo[3.3.1]nonylidene group, or an adamantylidene group which may each be substituted.