“…The solid precipitate was collected on a filter and crystallized from methanol to give the title compound. (9), 1453 (9), 1428 (17), 1404 (17), 1379 (15), 1353 (18), 1323 (16), 1293 (11), 1238 (17), 955 (32) (11), 429 (11), 409 (42), 385 (10), 316 (100), 300 (22), 281 (19), 216 (70), 202 (14), 192 (21), 150 (70); Anal. Calcd.…”