5 ST; Tetraene 21-methyl; 5ST; 1, 4, 9(11), 16-pregnatetraene-3, 20-dione; 17-acetyl-10, 13-dimethyl-6, 7, 8, 10, 12, 13, 14, 15-octahydro-cyclopenta[a]phenanthren-3-one; CAS Number: 117048-56-3; Molecular Formula: C21H24O2
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