193690-62-9
2,5-dimethyl-4-methylamino-3-nitropyridine
→
193690-64-1
肼,(3-氯-4-甲氧苯基)-
193690-65-2
1H-环戊二烯并[b]吡啶-3-酚,八氢-1-甲基-,[3S-(3-α-,4a-bta-,7a-bta-)]-(9CI)