120408-07-3 264618 disodium 5,10-Dideaza-5,6,7,8-tetrahydrofolic acid disodium salt DDATHF disodium Lometrexol sodium N-[4-[2(2-Amino-3,4,5,6,7,8-hexahydro-4-oxopyrido[2,3-d] pyrimidin-6-yl)ethyl]benzoyl]-L-glutamic acid diethyl ester 7,7-dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulfonic acid salt(1:1) NSC722969