D(-)-AMETHOPTERIN , 0.95 , 【51865-79-3】
Molecular Formula: C20H22N8O5
Formula Weight: 454.44
(−)-Amethopterin
(−)-Amethopterin
4-Cyano-2-methoxy-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride , NLT 98% , 【1803657-31-9】
Molecular Formula: C8H4ClF3N2O4S
Formula Weight: 316.64
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