Group 1 - The core viewpoint of the article is that Yifan Pharmaceutical (002019) acknowledges that the sales ramp-up of its new drug requires a certain cultivation period, indicating that the product is still in the early stages of market introduction [1] Group 2 - Yifan Pharmaceutical's new drug, Yilishu, is currently in the initial phase of market penetration, suggesting that it may take time before significant sales are realized [1]