Tacrolimus is an immunosuppressant drug. The present disclosure provides an anti-fibrotic agent by transforming Tacrolimus, such that the anti-fibrotic agent is used for treating fibrosis. The anti-fibrotic agent is not immunosuppressant. In one embodiment, the present invention provides a method to transform Tacrolimus into an anti-fibrotic agent.

The present invention relates to compounds of Formula (I), (I) wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), to their use for controlling weeds, in particular in crops of useful plants.

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The present invention relates to compounds of Formula (I), (I) wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), to their use for controlling weeds, in particular in crops of useful plants.

##STR00001##

Conformationally strained irans-cycloalkenes and derivatives thereof suitable for radiolabeling in a subject in need thereof.

Conformationally strained irans-cycloalkenes and derivatives thereof suitable for radiolabeling in a subject in need thereof.

The present invention relates to compounds of Formula (I), (I) wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), to their use for controlling weeds, in particular in crops of useful plants. ##STR00001##

The present invention relates to compounds of Formula (I), (I) wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), to their use for controlling weeds, in particular in crops of useful plants. ##STR00001##