Lapatinib ditosylate388082-77-7100 % similar Lapatinib ditosylate monohydrate388082-78-897 % similar Lapatinib231277-92-285 % similar N-[3-Chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-iodo-4-quinazolinamine231278-20-948 % similar