"Aaaah!" Senku exclaimed and huffed at himself and dug faster. "I got distracted." He was usually much better at multitasking these things, but he got distracted by the scientific talk.

He pulled two more out, two left. "We've made that already." Senku hummed. "Sulfanilamide, because it requires a lot less luck than pennicillan, mind you that took roughly six months to accomplish, but in the process we made a whole bunch of chemical compounds that we were able to use to make other medications after the fact."

Senku grabbed the third. One more.