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丹参酮类化合物对SPC-A-1的IC50值（24 h、48 h和72 h）
IC50 of Tanshinones on SPC-A-1 cells at 24 h, 48 h and 72 h
| Drug | IC50（μg/mL） | ||
| 24 h | 48 h | 72 h | |
| Dihydrotanshinone Ⅰ | 2.77 | 1.80 | 1.36 |
| Tanshinone Ⅰ | 6.01 | 4.04 | 1.69 |
| Tanshinone ⅡA | > 10 | 8.12 | 3.81 |
| Cryptotanshinone | > 10 | 8.71 | 7.35 |
