translation.en: And so that's the project that I pursued for that year, and it's continuing now as well, and found that a specific purine derivative called "guanidine" had inhibited the cell growth by approximately 60 percent.
translation.zh: 那一年我都在研究这种可能性 研究进行的很顺利 我发现了一种叫做胍的嘌呤衍生物 可以抑制约60%的细胞生长