3-Carbometossi-6-clorofenantridina [Italian] 39180-47-7 5-22-03-00418 (Beilstein Handbook Reference) 6-Chlorophenanthridine-3-carboxylic acid methyl ester BRN 0411225 Phenanthridine-3-carboxylic acid, 6-chloro-, methyl ester