abstract |
The present invention relates to a benzoselnophene-based compound, and a preparation method thereof, and antibody-drug conjugate (ADC) containing the benzoselnophene-based compound. The present invention provides the benzoselnophene-based compound or a salt thereof. Moreover, the benzoselnophene-based compound and the salt thereof, according to one example of the present invention, can be usefully used for treating and preventing cancer diseases with a maximum efficacy, while exhibiting minimal toxicity. |