1-07-00-00198 (Beilstein Handbook Reference) 1-PENTEN-3-ONE, 4-METHYL-1-PHENYL- 3160-32-5 4-Methyl-1-phenyl-1-penten-3-one 4-Methyl-1-phenylpent-1-en-3-one AI3-21917 BRN 1861618 EINECS 221-606-3 Isopropyl styryl ketone NSC 10750 NSC 651783