“…), beta-carboline alkaloid [ 57 ] ( Synoicum sp. ), sphingolipid [ 58 ] ( Spirastrella abata ), and tris-aromatic furanones [ 59 ] ( Synoicum sp.). Their IC 50 are 50–95 μ g/mL, 28.7 to >200 μ g/mL, 12.5–19.9 μ g/mL, 31.3–33.8 μ M, 89 μ M, 118.4–172.9 μ M, 40.8–55.3 μ M, 5–17 μ M, 10.8 μ M, 48.2–68.9 μ M, 2–87 μ M, and 7.62–10.36 μ M, respectively.…”