Provided is a novel compound having an excellent suppression action against arrhythmia including atrial fibrillation and being useful as a pharmaceutical product having a separated antiviral effect. A compound indicated by general formula (I), a pharmacologically acceptable salt thereof, or a solvate of these (in the formula, the dotted line indicates a single bond and double bonds, R1 indicates a C1-6 alkyl group that may have a substituent, Q indicates an oxygen atom, a sulfur atom, or NR5, R2 indicates -(C=0)-R6, -CHR6R7, or -CH2OR8, and R3 and R4 are the same or different and indicate an amino group, an azide group, or -X-R9, provided that least either R3 or R4 is an amino group.)
