Chemical drawing of two-step synthesis of mesotrione from 1,3-cyclohexane dione and the acid chloride of 4-(methane sulfonyl)-2-nitrobenzoic acid.
<a href="//commons.wikimedia.org/wiki/User:Michael_D._Turnbull" title="User:Michael D. Turnbull">Michael D. Turnbull</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>