Picric acid converted it to acetylsalicylic acid, i.e., aspirin, to keep it from the Allies. See Great Phenol Plot. At the time, phenol was obtained from coal as a co-product of coke ovens and the manufacture of gas for gas lighting. Laclede Gas reports being asked to expand production of phenol (and toluene) to support the war effort. Both Monsanto and Dow Chemical undertook manufacture of synthetic phenol in 1915. Dow was the leading producer. Dow describes picric acid as “the main battlefield explosive used by the French. Large amounts [of phenol] also went to Japan, where it was made into picric
U Should've Known Better producers, which included Dallas Austin, production team Soulshock & Karlin, Bryan Michael Cox, and Rodney Jerkins and his Darkchild crew. Though she "had never thought about writing much" by then, her producers encouraged the singer to intensify her work on the "All Eyez on Me" album and to write and contribute own lyrics and ideas to the songs, one of which was the ballad "U Should've Known Better." Monica penned the song along with Harold Lilly and longtime contributor Jermaine Dupri, while production on the track was helmed by Dupri and Bryan Michael Cox. "U Should've Known Better" was mixed