(24E)-24-N-Propylidenecholesterol 17605-67-3 24-Isoethylidenecholest-5-en-3beta-ol, delta(5)-avenasterol 28-Isofucosterol Fucosterol Stigmasta-5,24(28)-dien-3-ol, (3beta,24E)- Stigmasta-5,24-dien-3beta-ol