(S(R*,R*))-2,3-Bis((4-methylbenzoyl)oxy)succinic acid 139159-61-8 32634-68-7 47586-11-8 79780-71-5 79881-62-2 Butanedioic acid, 2,3-bis((4-methylbenzoyl)oxy)-, (2S,3S)- EINECS 251-132-2 NSC 97592